Home / 429,151.32-643,748.82-144,852.24

Finding the Fourth Proportional to 429,151.32, 643,748.82 and 144,852.24

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Solution

The fourth proportional to 429,151.32, 643,748.82 and 144,852.24 is: 217,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,151.32 : 643,748.82 = 144,852.24 : x
  2. Step 2: Convert to fraction form
    429,151.32/643,748.82 = 144,852.24/x
  3. Step 3: Cross multiply
    429,151.32x = 643,748.82 × 144,852.24
  4. Step 4: Simplify right side
    429,151.32x = 93,248,458,574.36
  5. Step 5: Solve for x
    x = 93,248,458,574.36/429,151.32
  6. Step 6: Final answer
    x = 217,285.73

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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.