Home / 330,840.15-496,464.35-153,314.07

Finding the Fourth Proportional to 330,840.15, 496,464.35 and 153,314.07

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Solution

The fourth proportional to 330,840.15, 496,464.35 and 153,314.07 is: 230,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,840.15 : 496,464.35 = 153,314.07 : x
  2. Step 2: Convert to fraction form
    330,840.15/496,464.35 = 153,314.07/x
  3. Step 3: Cross multiply
    330,840.15x = 496,464.35 × 153,314.07
  4. Step 4: Simplify right side
    330,840.15x = 76,114,969,341.83
  5. Step 5: Solve for x
    x = 76,114,969,341.83/330,840.15
  6. Step 6: Final answer
    x = 230,065.70

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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.