Home / 252,741.28-348,782.88-145,332.40

Finding the Fourth Proportional to 252,741.28, 348,782.88 and 145,332.40

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Solution

The fourth proportional to 252,741.28, 348,782.88 and 145,332.40 is: 200,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,741.28 : 348,782.88 = 145,332.40 : x
  2. Step 2: Convert to fraction form
    252,741.28/348,782.88 = 145,332.40/x
  3. Step 3: Cross multiply
    252,741.28x = 348,782.88 × 145,332.40
  4. Step 4: Simplify right side
    252,741.28x = 50,689,453,029.31
  5. Step 5: Solve for x
    x = 50,689,453,029.31/252,741.28
  6. Step 6: Final answer
    x = 200,558.66

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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.