Home / 257,582.72-386,330.33-68,045.15

Finding the Fourth Proportional to 257,582.72, 386,330.33 and 68,045.15

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Solution

The fourth proportional to 257,582.72, 386,330.33 and 68,045.15 is: 102,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,582.72 : 386,330.33 = 68,045.15 : x
  2. Step 2: Convert to fraction form
    257,582.72/386,330.33 = 68,045.15/x
  3. Step 3: Cross multiply
    257,582.72x = 386,330.33 × 68,045.15
  4. Step 4: Simplify right side
    257,582.72x = 26,287,903,492.86
  5. Step 5: Solve for x
    x = 26,287,903,492.86/257,582.72
  6. Step 6: Final answer
    x = 102,056.16

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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.