Home / 429,973.58-645,037.92-177,116.08

Finding the Fourth Proportional to 429,973.58, 645,037.92 and 177,116.08

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Solution

The fourth proportional to 429,973.58, 645,037.92 and 177,116.08 is: 265,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,973.58 : 645,037.92 = 177,116.08 : x
  2. Step 2: Convert to fraction form
    429,973.58/645,037.92 = 177,116.08/x
  3. Step 3: Cross multiply
    429,973.58x = 645,037.92 × 177,116.08
  4. Step 4: Simplify right side
    429,973.58x = 114,246,587,841.75
  5. Step 5: Solve for x
    x = 114,246,587,841.75/429,973.58
  6. Step 6: Final answer
    x = 265,706.06

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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.