Home / 319,964.10-479,946.15-109,574.70

Finding the Fourth Proportional to 319,964.10, 479,946.15 and 109,574.70

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Solution

The fourth proportional to 319,964.10, 479,946.15 and 109,574.70 is: 164,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,964.10 : 479,946.15 = 109,574.70 : x
  2. Step 2: Convert to fraction form
    319,964.10/479,946.15 = 109,574.70/x
  3. Step 3: Cross multiply
    319,964.10x = 479,946.15 × 109,574.70
  4. Step 4: Simplify right side
    319,964.10x = 52,589,955,402.41
  5. Step 5: Solve for x
    x = 52,589,955,402.41/319,964.10
  6. Step 6: Final answer
    x = 164,362.05

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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.