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Finding the Fourth Proportional to 336,677.16, 465,230.40 and 320,276.28

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Solution

The fourth proportional to 336,677.16, 465,230.40 and 320,276.28 is: 442,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,677.16 : 465,230.40 = 320,276.28 : x
  2. Step 2: Convert to fraction form
    336,677.16/465,230.40 = 320,276.28/x
  3. Step 3: Cross multiply
    336,677.16x = 465,230.40 × 320,276.28
  4. Step 4: Simplify right side
    336,677.16x = 149,002,261,854.91
  5. Step 5: Solve for x
    x = 149,002,261,854.91/336,677.16
  6. Step 6: Final answer
    x = 442,567.18

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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.