Home / 279,515.04-385,725.76-152,188.32

Finding the Fourth Proportional to 279,515.04, 385,725.76 and 152,188.32

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Solution

The fourth proportional to 279,515.04, 385,725.76 and 152,188.32 is: 210,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,515.04 : 385,725.76 = 152,188.32 : x
  2. Step 2: Convert to fraction form
    279,515.04/385,725.76 = 152,188.32/x
  3. Step 3: Cross multiply
    279,515.04x = 385,725.76 × 152,188.32
  4. Step 4: Simplify right side
    279,515.04x = 58,702,955,395.12
  5. Step 5: Solve for x
    x = 58,702,955,395.12/279,515.04
  6. Step 6: Final answer
    x = 210,017.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.