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Finding the Fourth Proportional to 436,652.91, 602,532.25 and 245,662.20

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Solution

The fourth proportional to 436,652.91, 602,532.25 and 245,662.20 is: 338,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,652.91 : 602,532.25 = 245,662.20 : x
  2. Step 2: Convert to fraction form
    436,652.91/602,532.25 = 245,662.20/x
  3. Step 3: Cross multiply
    436,652.91x = 602,532.25 × 245,662.20
  4. Step 4: Simplify right side
    436,652.91x = 148,019,398,105.95
  5. Step 5: Solve for x
    x = 148,019,398,105.95/436,652.91
  6. Step 6: Final answer
    x = 338,986.40

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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.