Home / 260,302.48-390,565.64-82,823.92

Finding the Fourth Proportional to 260,302.48, 390,565.64 and 82,823.92

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Solution

The fourth proportional to 260,302.48, 390,565.64 and 82,823.92 is: 124,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,302.48 : 390,565.64 = 82,823.92 : x
  2. Step 2: Convert to fraction form
    260,302.48/390,565.64 = 82,823.92/x
  3. Step 3: Cross multiply
    260,302.48x = 390,565.64 × 82,823.92
  4. Step 4: Simplify right side
    260,302.48x = 32,348,177,322.11
  5. Step 5: Solve for x
    x = 32,348,177,322.11/260,302.48
  6. Step 6: Final answer
    x = 124,271.49

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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.