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Finding the Fourth Proportional to 304,009.40, 454,701.90 and 256,770.20

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Solution

The fourth proportional to 304,009.40, 454,701.90 and 256,770.20 is: 384,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,009.40 : 454,701.90 = 256,770.20 : x
  2. Step 2: Convert to fraction form
    304,009.40/454,701.90 = 256,770.20/x
  3. Step 3: Cross multiply
    304,009.40x = 454,701.90 × 256,770.20
  4. Step 4: Simplify right side
    304,009.40x = 116,753,897,803.38
  5. Step 5: Solve for x
    x = 116,753,897,803.38/304,009.40
  6. Step 6: Final answer
    x = 384,047.00

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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.