Home / 330,998.90-496,109.55-153,130.19

Finding the Fourth Proportional to 330,998.90, 496,109.55 and 153,130.19

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Solution

The fourth proportional to 330,998.90, 496,109.55 and 153,130.19 is: 229,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,998.90 : 496,109.55 = 153,130.19 : x
  2. Step 2: Convert to fraction form
    330,998.90/496,109.55 = 153,130.19/x
  3. Step 3: Cross multiply
    330,998.90x = 496,109.55 × 153,130.19
  4. Step 4: Simplify right side
    330,998.90x = 75,969,349,652.31
  5. Step 5: Solve for x
    x = 75,969,349,652.31/330,998.90
  6. Step 6: Final answer
    x = 229,515.41

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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.