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Finding the Fourth Proportional to 257,752.59, 355,697.51 and 144,575.34

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Solution

The fourth proportional to 257,752.59, 355,697.51 and 144,575.34 is: 199,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,752.59 : 355,697.51 = 144,575.34 : x
  2. Step 2: Convert to fraction form
    257,752.59/355,697.51 = 144,575.34/x
  3. Step 3: Cross multiply
    257,752.59x = 355,697.51 × 144,575.34
  4. Step 4: Simplify right side
    257,752.59x = 51,425,087,722.53
  5. Step 5: Solve for x
    x = 51,425,087,722.53/257,752.59
  6. Step 6: Final answer
    x = 199,513.37

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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.