Home / 427,852.02-641,769.39-147,363.06

Finding the Fourth Proportional to 427,852.02, 641,769.39 and 147,363.06

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Solution

The fourth proportional to 427,852.02, 641,769.39 and 147,363.06 is: 221,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,852.02 : 641,769.39 = 147,363.06 : x
  2. Step 2: Convert to fraction form
    427,852.02/641,769.39 = 147,363.06/x
  3. Step 3: Cross multiply
    427,852.02x = 641,769.39 × 147,363.06
  4. Step 4: Simplify right side
    427,852.02x = 94,573,101,124.73
  5. Step 5: Solve for x
    x = 94,573,101,124.73/427,852.02
  6. Step 6: Final answer
    x = 221,041.61

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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.