Home / 445,473.47-614,788.89-251,921.95

Finding the Fourth Proportional to 445,473.47, 614,788.89 and 251,921.95

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Solution

The fourth proportional to 445,473.47, 614,788.89 and 251,921.95 is: 347,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,473.47 : 614,788.89 = 251,921.95 : x
  2. Step 2: Convert to fraction form
    445,473.47/614,788.89 = 251,921.95/x
  3. Step 3: Cross multiply
    445,473.47x = 614,788.89 × 251,921.95
  4. Step 4: Simplify right side
    445,473.47x = 154,878,813,525.46
  5. Step 5: Solve for x
    x = 154,878,813,525.46/445,473.47
  6. Step 6: Final answer
    x = 347,672.36

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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.