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Finding the Fourth Proportional to 469,763.28, 704,642.97 and 170,173.71

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Solution

The fourth proportional to 469,763.28, 704,642.97 and 170,173.71 is: 255,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,763.28 : 704,642.97 = 170,173.71 : x
  2. Step 2: Convert to fraction form
    469,763.28/704,642.97 = 170,173.71/x
  3. Step 3: Cross multiply
    469,763.28x = 704,642.97 × 170,173.71
  4. Step 4: Simplify right side
    469,763.28x = 119,911,708,430.32
  5. Step 5: Solve for x
    x = 119,911,708,430.32/469,763.28
  6. Step 6: Final answer
    x = 255,259.86

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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.