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Finding the Fourth Proportional to 341,332.80, 510,832.80 and 299,342.40

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Solution

The fourth proportional to 341,332.80, 510,832.80 and 299,342.40 is: 447,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,332.80 : 510,832.80 = 299,342.40 : x
  2. Step 2: Convert to fraction form
    341,332.80/510,832.80 = 299,342.40/x
  3. Step 3: Cross multiply
    341,332.80x = 510,832.80 × 299,342.40
  4. Step 4: Simplify right side
    341,332.80x = 152,913,916,350.72
  5. Step 5: Solve for x
    x = 152,913,916,350.72/341,332.80
  6. Step 6: Final answer
    x = 447,990.69

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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.