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Finding the Fourth Proportional to 343,617.40, 515,426.10 and 94,299.40

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Solution

The fourth proportional to 343,617.40, 515,426.10 and 94,299.40 is: 141,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,617.40 : 515,426.10 = 94,299.40 : x
  2. Step 2: Convert to fraction form
    343,617.40/515,426.10 = 94,299.40/x
  3. Step 3: Cross multiply
    343,617.40x = 515,426.10 × 94,299.40
  4. Step 4: Simplify right side
    343,617.40x = 48,604,371,974.34
  5. Step 5: Solve for x
    x = 48,604,371,974.34/343,617.40
  6. Step 6: Final answer
    x = 141,449.10

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1.5x scale

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.