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Finding the Fourth Proportional to 306,001.90, 459,002.85 and 303,928.30

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Solution

The fourth proportional to 306,001.90, 459,002.85 and 303,928.30 is: 455,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,001.90 : 459,002.85 = 303,928.30 : x
  2. Step 2: Convert to fraction form
    306,001.90/459,002.85 = 303,928.30/x
  3. Step 3: Cross multiply
    306,001.90x = 459,002.85 × 303,928.30
  4. Step 4: Simplify right side
    306,001.90x = 139,503,955,895.66
  5. Step 5: Solve for x
    x = 139,503,955,895.66/306,001.90
  6. Step 6: Final answer
    x = 455,892.45

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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.