Home / 345,199.42-476,129.78-230,420.19

Finding the Fourth Proportional to 345,199.42, 476,129.78 and 230,420.19

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Solution

The fourth proportional to 345,199.42, 476,129.78 and 230,420.19 is: 317,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,199.42 : 476,129.78 = 230,420.19 : x
  2. Step 2: Convert to fraction form
    345,199.42/476,129.78 = 230,420.19/x
  3. Step 3: Cross multiply
    345,199.42x = 476,129.78 × 230,420.19
  4. Step 4: Simplify right side
    345,199.42x = 109,709,914,372.26
  5. Step 5: Solve for x
    x = 109,709,914,372.26/345,199.42
  6. Step 6: Final answer
    x = 317,816.04

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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.