Home / 257,552.12-355,420.50-144,372.44

Finding the Fourth Proportional to 257,552.12, 355,420.50 and 144,372.44

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Solution

The fourth proportional to 257,552.12, 355,420.50 and 144,372.44 is: 199,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,552.12 : 355,420.50 = 144,372.44 : x
  2. Step 2: Convert to fraction form
    257,552.12/355,420.50 = 144,372.44/x
  3. Step 3: Cross multiply
    257,552.12x = 355,420.50 × 144,372.44
  4. Step 4: Simplify right side
    257,552.12x = 51,312,924,811.02
  5. Step 5: Solve for x
    x = 51,312,924,811.02/257,552.12
  6. Step 6: Final answer
    x = 199,233.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.