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Finding the Fourth Proportional to 304,281.40, 456,422.10 and 233,422.60

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Solution

The fourth proportional to 304,281.40, 456,422.10 and 233,422.60 is: 350,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,281.40 : 456,422.10 = 233,422.60 : x
  2. Step 2: Convert to fraction form
    304,281.40/456,422.10 = 233,422.60/x
  3. Step 3: Cross multiply
    304,281.40x = 456,422.10 × 233,422.60
  4. Step 4: Simplify right side
    304,281.40x = 106,539,233,279.46
  5. Step 5: Solve for x
    x = 106,539,233,279.46/304,281.40
  6. Step 6: Final answer
    x = 350,133.90

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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.