Home / 306,853.76-424,007.38-239,045.82

Finding the Fourth Proportional to 306,853.76, 424,007.38 and 239,045.82

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Solution

The fourth proportional to 306,853.76, 424,007.38 and 239,045.82 is: 330,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,853.76 : 424,007.38 = 239,045.82 : x
  2. Step 2: Convert to fraction form
    306,853.76/424,007.38 = 239,045.82/x
  3. Step 3: Cross multiply
    306,853.76x = 424,007.38 × 239,045.82
  4. Step 4: Simplify right side
    306,853.76x = 101,357,191,838.15
  5. Step 5: Solve for x
    x = 101,357,191,838.15/306,853.76
  6. Step 6: Final answer
    x = 330,311.06

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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.