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Finding the Fourth Proportional to 616,275.27, 850,443.93 and 344,345.40

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Solution

The fourth proportional to 616,275.27, 850,443.93 and 344,345.40 is: 475,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,275.27 : 850,443.93 = 344,345.40 : x
  2. Step 2: Convert to fraction form
    616,275.27/850,443.93 = 344,345.40/x
  3. Step 3: Cross multiply
    616,275.27x = 850,443.93 × 344,345.40
  4. Step 4: Simplify right side
    616,275.27x = 292,846,455,253.42
  5. Step 5: Solve for x
    x = 292,846,455,253.42/616,275.27
  6. Step 6: Final answer
    x = 475,187.74

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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.