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Finding the Fourth Proportional to 436,635.68, 602,336.74 and 255,229.08

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Solution

The fourth proportional to 436,635.68, 602,336.74 and 255,229.08 is: 352,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,635.68 : 602,336.74 = 255,229.08 : x
  2. Step 2: Convert to fraction form
    436,635.68/602,336.74 = 255,229.08/x
  3. Step 3: Cross multiply
    436,635.68x = 602,336.74 × 255,229.08
  4. Step 4: Simplify right side
    436,635.68x = 153,733,852,000.40
  5. Step 5: Solve for x
    x = 153,733,852,000.40/436,635.68
  6. Step 6: Final answer
    x = 352,087.24

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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.