Home / 345,116.74-517,434.93-152,886.76

Finding the Fourth Proportional to 345,116.74, 517,434.93 and 152,886.76

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Solution

The fourth proportional to 345,116.74, 517,434.93 and 152,886.76 is: 229,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,116.74 : 517,434.93 = 152,886.76 : x
  2. Step 2: Convert to fraction form
    345,116.74/517,434.93 = 152,886.76/x
  3. Step 3: Cross multiply
    345,116.74x = 517,434.93 × 152,886.76
  4. Step 4: Simplify right side
    345,116.74x = 79,108,949,958.53
  5. Step 5: Solve for x
    x = 79,108,949,958.53/345,116.74
  6. Step 6: Final answer
    x = 229,223.74

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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.