Home / 429,052.41-643,582.48-109,204.62

Finding the Fourth Proportional to 429,052.41, 643,582.48 and 109,204.62

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Solution

The fourth proportional to 429,052.41, 643,582.48 and 109,204.62 is: 163,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,052.41 : 643,582.48 = 109,204.62 : x
  2. Step 2: Convert to fraction form
    429,052.41/643,582.48 = 109,204.62/x
  3. Step 3: Cross multiply
    429,052.41x = 643,582.48 × 109,204.62
  4. Step 4: Simplify right side
    429,052.41x = 70,282,181,305.52
  5. Step 5: Solve for x
    x = 70,282,181,305.52/429,052.41
  6. Step 6: Final answer
    x = 163,807.92

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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.