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Finding the Fourth Proportional to 636,969.51, 955,454.99 and 163,658.79

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Solution

The fourth proportional to 636,969.51, 955,454.99 and 163,658.79 is: 245,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,969.51 : 955,454.99 = 163,658.79 : x
  2. Step 2: Convert to fraction form
    636,969.51/955,454.99 = 163,658.79/x
  3. Step 3: Cross multiply
    636,969.51x = 955,454.99 × 163,658.79
  4. Step 4: Simplify right side
    636,969.51x = 156,368,606,744.57
  5. Step 5: Solve for x
    x = 156,368,606,744.57/636,969.51
  6. Step 6: Final answer
    x = 245,488.37

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1.5x scale

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.