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Finding the Fourth Proportional to 436,503.60, 602,368.92 and 245,517.12

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Solution

The fourth proportional to 436,503.60, 602,368.92 and 245,517.12 is: 338,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,503.60 : 602,368.92 = 245,517.12 : x
  2. Step 2: Convert to fraction form
    436,503.60/602,368.92 = 245,517.12/x
  3. Step 3: Cross multiply
    436,503.60x = 602,368.92 × 245,517.12
  4. Step 4: Simplify right side
    436,503.60x = 147,891,882,415.91
  5. Step 5: Solve for x
    x = 147,891,882,415.91/436,503.60
  6. Step 6: Final answer
    x = 338,810.22

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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.