Home / 289,698.08-432,565.28-259,517.52

Finding the Fourth Proportional to 289,698.08, 432,565.28 and 259,517.52

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Solution

The fourth proportional to 289,698.08, 432,565.28 and 259,517.52 is: 387,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,698.08 : 432,565.28 = 259,517.52 : x
  2. Step 2: Convert to fraction form
    289,698.08/432,565.28 = 259,517.52/x
  3. Step 3: Cross multiply
    289,698.08x = 432,565.28 × 259,517.52
  4. Step 4: Simplify right side
    289,698.08x = 112,258,268,703.71
  5. Step 5: Solve for x
    x = 112,258,268,703.71/289,698.08
  6. Step 6: Final answer
    x = 387,500.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.