Home / 240,304.10-331,628.50-155,421.16

Finding the Fourth Proportional to 240,304.10, 331,628.50 and 155,421.16

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Solution

The fourth proportional to 240,304.10, 331,628.50 and 155,421.16 is: 214,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,304.10 : 331,628.50 = 155,421.16 : x
  2. Step 2: Convert to fraction form
    240,304.10/331,628.50 = 155,421.16/x
  3. Step 3: Cross multiply
    240,304.10x = 331,628.50 × 155,421.16
  4. Step 4: Simplify right side
    240,304.10x = 51,542,086,159.06
  5. Step 5: Solve for x
    x = 51,542,086,159.06/240,304.10
  6. Step 6: Final answer
    x = 214,486.92

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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.