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Finding the Fourth Proportional to 284,008.75, 392,062.53 and 245,091.76

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Solution

The fourth proportional to 284,008.75, 392,062.53 and 245,091.76 is: 338,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,008.75 : 392,062.53 = 245,091.76 : x
  2. Step 2: Convert to fraction form
    284,008.75/392,062.53 = 245,091.76/x
  3. Step 3: Cross multiply
    284,008.75x = 392,062.53 × 245,091.76
  4. Step 4: Simplify right side
    284,008.75x = 96,091,294,068.05
  5. Step 5: Solve for x
    x = 96,091,294,068.05/284,008.75
  6. Step 6: Final answer
    x = 338,339.21

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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.