Home / 401,820.64-602,711.48-149,150.38

Finding the Fourth Proportional to 401,820.64, 602,711.48 and 149,150.38

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Solution

The fourth proportional to 401,820.64, 602,711.48 and 149,150.38 is: 223,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,820.64 : 602,711.48 = 149,150.38 : x
  2. Step 2: Convert to fraction form
    401,820.64/602,711.48 = 149,150.38/x
  3. Step 3: Cross multiply
    401,820.64x = 602,711.48 × 149,150.38
  4. Step 4: Simplify right side
    401,820.64x = 89,894,646,272.36
  5. Step 5: Solve for x
    x = 89,894,646,272.36/401,820.64
  6. Step 6: Final answer
    x = 223,718.34

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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.