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Finding the Fourth Proportional to 551,347.66, 761,148.75 and 371,007.82

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Solution

The fourth proportional to 551,347.66, 761,148.75 and 371,007.82 is: 512,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,347.66 : 761,148.75 = 371,007.82 : x
  2. Step 2: Convert to fraction form
    551,347.66/761,148.75 = 371,007.82/x
  3. Step 3: Cross multiply
    551,347.66x = 761,148.75 × 371,007.82
  4. Step 4: Simplify right side
    551,347.66x = 282,392,138,433.23
  5. Step 5: Solve for x
    x = 282,392,138,433.23/551,347.66
  6. Step 6: Final answer
    x = 512,185.25

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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.