Home / 260,026.65-390,039.98-230,502.15

Finding the Fourth Proportional to 260,026.65, 390,039.98 and 230,502.15

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Solution

The fourth proportional to 260,026.65, 390,039.98 and 230,502.15 is: 345,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,026.65 : 390,039.98 = 230,502.15 : x
  2. Step 2: Convert to fraction form
    260,026.65/390,039.98 = 230,502.15/x
  3. Step 3: Cross multiply
    260,026.65x = 390,039.98 × 230,502.15
  4. Step 4: Simplify right side
    260,026.65x = 89,905,052,823.45
  5. Step 5: Solve for x
    x = 89,905,052,823.45/260,026.65
  6. Step 6: Final answer
    x = 345,753.23

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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.