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Finding the Fourth Proportional to 304,073.60, 456,110.40 and 146,220.80

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Solution

The fourth proportional to 304,073.60, 456,110.40 and 146,220.80 is: 219,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,073.60 : 456,110.40 = 146,220.80 : x
  2. Step 2: Convert to fraction form
    304,073.60/456,110.40 = 146,220.80/x
  3. Step 3: Cross multiply
    304,073.60x = 456,110.40 × 146,220.80
  4. Step 4: Simplify right side
    304,073.60x = 66,692,827,576.32
  5. Step 5: Solve for x
    x = 66,692,827,576.32/304,073.60
  6. Step 6: Final answer
    x = 219,331.20

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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.