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Finding the Fourth Proportional to 382,313.30, 572,681.55 and 224,062.10

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Solution

The fourth proportional to 382,313.30, 572,681.55 and 224,062.10 is: 335,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,313.30 : 572,681.55 = 224,062.10 : x
  2. Step 2: Convert to fraction form
    382,313.30/572,681.55 = 224,062.10/x
  3. Step 3: Cross multiply
    382,313.30x = 572,681.55 × 224,062.10
  4. Step 4: Simplify right side
    382,313.30x = 128,316,230,724.26
  5. Step 5: Solve for x
    x = 128,316,230,724.26/382,313.30
  6. Step 6: Final answer
    x = 335,631.09

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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.