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Finding the Fourth Proportional to 374,955.69, 517,461.71 and 213,841.83

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Solution

The fourth proportional to 374,955.69, 517,461.71 and 213,841.83 is: 295,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,955.69 : 517,461.71 = 213,841.83 : x
  2. Step 2: Convert to fraction form
    374,955.69/517,461.71 = 213,841.83/x
  3. Step 3: Cross multiply
    374,955.69x = 517,461.71 × 213,841.83
  4. Step 4: Simplify right side
    374,955.69x = 110,654,957,952.12
  5. Step 5: Solve for x
    x = 110,654,957,952.12/374,955.69
  6. Step 6: Final answer
    x = 295,114.76

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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.