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Finding the Fourth Proportional to 306,001.80, 459,002.70 and 274,897.80

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Solution

The fourth proportional to 306,001.80, 459,002.70 and 274,897.80 is: 412,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,001.80 : 459,002.70 = 274,897.80 : x
  2. Step 2: Convert to fraction form
    306,001.80/459,002.70 = 274,897.80/x
  3. Step 3: Cross multiply
    306,001.80x = 459,002.70 × 274,897.80
  4. Step 4: Simplify right side
    306,001.80x = 126,178,832,424.06
  5. Step 5: Solve for x
    x = 126,178,832,424.06/306,001.80
  6. Step 6: Final answer
    x = 412,346.70

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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.