Home / 434,569.40-652,145.70-197,790.20

Finding the Fourth Proportional to 434,569.40, 652,145.70 and 197,790.20

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Solution

The fourth proportional to 434,569.40, 652,145.70 and 197,790.20 is: 296,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,569.40 : 652,145.70 = 197,790.20 : x
  2. Step 2: Convert to fraction form
    434,569.40/652,145.70 = 197,790.20/x
  3. Step 3: Cross multiply
    434,569.40x = 652,145.70 × 197,790.20
  4. Step 4: Simplify right side
    434,569.40x = 128,988,028,432.14
  5. Step 5: Solve for x
    x = 128,988,028,432.14/434,569.40
  6. Step 6: Final answer
    x = 296,818.02

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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.