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Finding the Fourth Proportional to 304,088.40, 456,132.60 and 154,270.80

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Solution

The fourth proportional to 304,088.40, 456,132.60 and 154,270.80 is: 231,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,088.40 : 456,132.60 = 154,270.80 : x
  2. Step 2: Convert to fraction form
    304,088.40/456,132.60 = 154,270.80/x
  3. Step 3: Cross multiply
    304,088.40x = 456,132.60 × 154,270.80
  4. Step 4: Simplify right side
    304,088.40x = 70,367,941,108.08
  5. Step 5: Solve for x
    x = 70,367,941,108.08/304,088.40
  6. Step 6: Final answer
    x = 231,406.20

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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.