Home / 251,721.61-377,541.13-69,309.87

Finding the Fourth Proportional to 251,721.61, 377,541.13 and 69,309.87

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Solution

The fourth proportional to 251,721.61, 377,541.13 and 69,309.87 is: 103,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,721.61 : 377,541.13 = 69,309.87 : x
  2. Step 2: Convert to fraction form
    251,721.61/377,541.13 = 69,309.87/x
  3. Step 3: Cross multiply
    251,721.61x = 377,541.13 × 69,309.87
  4. Step 4: Simplify right side
    251,721.61x = 26,167,326,639.95
  5. Step 5: Solve for x
    x = 26,167,326,639.95/251,721.61
  6. Step 6: Final answer
    x = 103,953.44

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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.