Home / 317,975.10-476,962.65-247,991.10

Finding the Fourth Proportional to 317,975.10, 476,962.65 and 247,991.10

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Solution

The fourth proportional to 317,975.10, 476,962.65 and 247,991.10 is: 371,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,975.10 : 476,962.65 = 247,991.10 : x
  2. Step 2: Convert to fraction form
    317,975.10/476,962.65 = 247,991.10/x
  3. Step 3: Cross multiply
    317,975.10x = 476,962.65 × 247,991.10
  4. Step 4: Simplify right side
    317,975.10x = 118,282,492,232.42
  5. Step 5: Solve for x
    x = 118,282,492,232.42/317,975.10
  6. Step 6: Final answer
    x = 371,986.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.