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Finding the Fourth Proportional to 259,578.40, 358,294.80 and 152,171.68

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Solution

The fourth proportional to 259,578.40, 358,294.80 and 152,171.68 is: 210,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,578.40 : 358,294.80 = 152,171.68 : x
  2. Step 2: Convert to fraction form
    259,578.40/358,294.80 = 152,171.68/x
  3. Step 3: Cross multiply
    259,578.40x = 358,294.80 × 152,171.68
  4. Step 4: Simplify right side
    259,578.40x = 54,522,321,651.26
  5. Step 5: Solve for x
    x = 54,522,321,651.26/259,578.40
  6. Step 6: Final answer
    x = 210,041.83

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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.