Home / 234,320.50-323,368.30-143,726.52

Finding the Fourth Proportional to 234,320.50, 323,368.30 and 143,726.52

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Solution

The fourth proportional to 234,320.50, 323,368.30 and 143,726.52 is: 198,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,320.50 : 323,368.30 = 143,726.52 : x
  2. Step 2: Convert to fraction form
    234,320.50/323,368.30 = 143,726.52/x
  3. Step 3: Cross multiply
    234,320.50x = 323,368.30 × 143,726.52
  4. Step 4: Simplify right side
    234,320.50x = 46,476,600,437.32
  5. Step 5: Solve for x
    x = 46,476,600,437.32/234,320.50
  6. Step 6: Final answer
    x = 198,346.28

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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.