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Finding the Fourth Proportional to 163,600.70, 245,401.05 and 147,854.30

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Solution

The fourth proportional to 163,600.70, 245,401.05 and 147,854.30 is: 221,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.70 : 245,401.05 = 147,854.30 : x
  2. Step 2: Convert to fraction form
    163,600.70/245,401.05 = 147,854.30/x
  3. Step 3: Cross multiply
    163,600.70x = 245,401.05 × 147,854.30
  4. Step 4: Simplify right side
    163,600.70x = 36,283,600,467.02
  5. Step 5: Solve for x
    x = 36,283,600,467.02/163,600.70
  6. Step 6: Final answer
    x = 221,781.45

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1.5x scale

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.