Home / 343,820.44-515,931.46-144,125.48

Finding the Fourth Proportional to 343,820.44, 515,931.46 and 144,125.48

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Solution

The fourth proportional to 343,820.44, 515,931.46 and 144,125.48 is: 216,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,820.44 : 515,931.46 = 144,125.48 : x
  2. Step 2: Convert to fraction form
    343,820.44/515,931.46 = 144,125.48/x
  3. Step 3: Cross multiply
    343,820.44x = 515,931.46 × 144,125.48
  4. Step 4: Simplify right side
    343,820.44x = 74,358,869,319.60
  5. Step 5: Solve for x
    x = 74,358,869,319.60/343,820.44
  6. Step 6: Final answer
    x = 216,272.39

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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.