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Finding the Fourth Proportional to 466,370.37, 699,477.30 and 129,445.26

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Solution

The fourth proportional to 466,370.37, 699,477.30 and 129,445.26 is: 194,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,370.37 : 699,477.30 = 129,445.26 : x
  2. Step 2: Convert to fraction form
    466,370.37/699,477.30 = 129,445.26/x
  3. Step 3: Cross multiply
    466,370.37x = 699,477.30 × 129,445.26
  4. Step 4: Simplify right side
    466,370.37x = 90,544,020,962.60
  5. Step 5: Solve for x
    x = 90,544,020,962.60/466,370.37
  6. Step 6: Final answer
    x = 194,146.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.