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Finding the Fourth Proportional to 330,705.27, 496,004.74 and 90,763.12

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Solution

The fourth proportional to 330,705.27, 496,004.74 and 90,763.12 is: 136,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,705.27 : 496,004.74 = 90,763.12 : x
  2. Step 2: Convert to fraction form
    330,705.27/496,004.74 = 90,763.12/x
  3. Step 3: Cross multiply
    330,705.27x = 496,004.74 × 90,763.12
  4. Step 4: Simplify right side
    330,705.27x = 45,018,937,737.19
  5. Step 5: Solve for x
    x = 45,018,937,737.19/330,705.27
  6. Step 6: Final answer
    x = 136,130.09

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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.