Home / 429,289.76-643,927.08-148,802.96

Finding the Fourth Proportional to 429,289.76, 643,927.08 and 148,802.96

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Solution

The fourth proportional to 429,289.76, 643,927.08 and 148,802.96 is: 223,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,289.76 : 643,927.08 = 148,802.96 : x
  2. Step 2: Convert to fraction form
    429,289.76/643,927.08 = 148,802.96/x
  3. Step 3: Cross multiply
    429,289.76x = 643,927.08 × 148,802.96
  4. Step 4: Simplify right side
    429,289.76x = 95,818,255,528.16
  5. Step 5: Solve for x
    x = 95,818,255,528.16/429,289.76
  6. Step 6: Final answer
    x = 223,201.82

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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.