Home / 220,421.46-330,369.75-153,499.26

Finding the Fourth Proportional to 220,421.46, 330,369.75 and 153,499.26

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Solution

The fourth proportional to 220,421.46, 330,369.75 and 153,499.26 is: 230,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,421.46 : 330,369.75 = 153,499.26 : x
  2. Step 2: Convert to fraction form
    220,421.46/330,369.75 = 153,499.26/x
  3. Step 3: Cross multiply
    220,421.46x = 330,369.75 × 153,499.26
  4. Step 4: Simplify right side
    220,421.46x = 50,711,512,151.39
  5. Step 5: Solve for x
    x = 50,711,512,151.39/220,421.46
  6. Step 6: Final answer
    x = 230,066.13

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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.