Home / 299,931.76-413,898.78-163,966.72

Finding the Fourth Proportional to 299,931.76, 413,898.78 and 163,966.72

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Solution

The fourth proportional to 299,931.76, 413,898.78 and 163,966.72 is: 226,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,931.76 : 413,898.78 = 163,966.72 : x
  2. Step 2: Convert to fraction form
    299,931.76/413,898.78 = 163,966.72/x
  3. Step 3: Cross multiply
    299,931.76x = 413,898.78 × 163,966.72
  4. Step 4: Simplify right side
    299,931.76x = 67,865,625,368.60
  5. Step 5: Solve for x
    x = 67,865,625,368.60/299,931.76
  6. Step 6: Final answer
    x = 226,270.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.