Home / 434,566.40-652,141.20-197,787.20

Finding the Fourth Proportional to 434,566.40, 652,141.20 and 197,787.20

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Solution

The fourth proportional to 434,566.40, 652,141.20 and 197,787.20 is: 296,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,566.40 : 652,141.20 = 197,787.20 : x
  2. Step 2: Convert to fraction form
    434,566.40/652,141.20 = 197,787.20/x
  3. Step 3: Cross multiply
    434,566.40x = 652,141.20 × 197,787.20
  4. Step 4: Simplify right side
    434,566.40x = 128,985,181,952.64
  5. Step 5: Solve for x
    x = 128,985,181,952.64/434,566.40
  6. Step 6: Final answer
    x = 296,813.52

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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.