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Finding the Fourth Proportional to 436,416.88, 602,245.83 and 252,663.19

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Solution

The fourth proportional to 436,416.88, 602,245.83 and 252,663.19 is: 348,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,416.88 : 602,245.83 = 252,663.19 : x
  2. Step 2: Convert to fraction form
    436,416.88/602,245.83 = 252,663.19/x
  3. Step 3: Cross multiply
    436,416.88x = 602,245.83 × 252,663.19
  4. Step 4: Simplify right side
    436,416.88x = 152,165,352,572.00
  5. Step 5: Solve for x
    x = 152,165,352,572.00/436,416.88
  6. Step 6: Final answer
    x = 348,669.72

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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.