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Finding the Fourth Proportional to 610,161.32, 915,251.21 and 230,980.25

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Solution

The fourth proportional to 610,161.32, 915,251.21 and 230,980.25 is: 346,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,161.32 : 915,251.21 = 230,980.25 : x
  2. Step 2: Convert to fraction form
    610,161.32/915,251.21 = 230,980.25/x
  3. Step 3: Cross multiply
    610,161.32x = 915,251.21 × 230,980.25
  4. Step 4: Simplify right side
    610,161.32x = 211,404,949,299.80
  5. Step 5: Solve for x
    x = 211,404,949,299.80/610,161.32
  6. Step 6: Final answer
    x = 346,473.86

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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.