Home / 319,670.28-441,133.02-176,427.72

Finding the Fourth Proportional to 319,670.28, 441,133.02 and 176,427.72

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Solution

The fourth proportional to 319,670.28, 441,133.02 and 176,427.72 is: 243,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,670.28 : 441,133.02 = 176,427.72 : x
  2. Step 2: Convert to fraction form
    319,670.28/441,133.02 = 176,427.72/x
  3. Step 3: Cross multiply
    319,670.28x = 441,133.02 × 176,427.72
  4. Step 4: Simplify right side
    319,670.28x = 77,828,092,935.31
  5. Step 5: Solve for x
    x = 77,828,092,935.31/319,670.28
  6. Step 6: Final answer
    x = 243,463.65

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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.