Home / 214,916.70-322,719.30-170,909.40

Finding the Fourth Proportional to 214,916.70, 322,719.30 and 170,909.40

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Solution

The fourth proportional to 214,916.70, 322,719.30 and 170,909.40 is: 256,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,916.70 : 322,719.30 = 170,909.40 : x
  2. Step 2: Convert to fraction form
    214,916.70/322,719.30 = 170,909.40/x
  3. Step 3: Cross multiply
    214,916.70x = 322,719.30 × 170,909.40
  4. Step 4: Simplify right side
    214,916.70x = 55,155,761,931.42
  5. Step 5: Solve for x
    x = 55,155,761,931.42/214,916.70
  6. Step 6: Final answer
    x = 256,637.86

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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.