Home / 330,840.90-496,465.47-153,314.82

Finding the Fourth Proportional to 330,840.90, 496,465.47 and 153,314.82

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Solution

The fourth proportional to 330,840.90, 496,465.47 and 153,314.82 is: 230,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,840.90 : 496,465.47 = 153,314.82 : x
  2. Step 2: Convert to fraction form
    330,840.90/496,465.47 = 153,314.82/x
  3. Step 3: Cross multiply
    330,840.90x = 496,465.47 × 153,314.82
  4. Step 4: Simplify right side
    330,840.90x = 76,115,514,169.27
  5. Step 5: Solve for x
    x = 76,115,514,169.27/330,840.90
  6. Step 6: Final answer
    x = 230,066.82

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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.