Home / 260,416.62-390,312.41-134,116.29

Finding the Fourth Proportional to 260,416.62, 390,312.41 and 134,116.29

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Solution

The fourth proportional to 260,416.62, 390,312.41 and 134,116.29 is: 201,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,416.62 : 390,312.41 = 134,116.29 : x
  2. Step 2: Convert to fraction form
    260,416.62/390,312.41 = 134,116.29/x
  3. Step 3: Cross multiply
    260,416.62x = 390,312.41 × 134,116.29
  4. Step 4: Simplify right side
    260,416.62x = 52,347,251,699.58
  5. Step 5: Solve for x
    x = 52,347,251,699.58/260,416.62
  6. Step 6: Final answer
    x = 201,013.48

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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.