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Finding the Fourth Proportional to 169,901.20, 254,851.80 and 152,988.40

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Solution

The fourth proportional to 169,901.20, 254,851.80 and 152,988.40 is: 229,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,901.20 : 254,851.80 = 152,988.40 : x
  2. Step 2: Convert to fraction form
    169,901.20/254,851.80 = 152,988.40/x
  3. Step 3: Cross multiply
    169,901.20x = 254,851.80 × 152,988.40
  4. Step 4: Simplify right side
    169,901.20x = 38,989,369,119.12
  5. Step 5: Solve for x
    x = 38,989,369,119.12/169,901.20
  6. Step 6: Final answer
    x = 229,482.60

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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.