Home / 288,828.32-433,455.12-137,025.68

Finding the Fourth Proportional to 288,828.32, 433,455.12 and 137,025.68

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Solution

The fourth proportional to 288,828.32, 433,455.12 and 137,025.68 is: 205,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,828.32 : 433,455.12 = 137,025.68 : x
  2. Step 2: Convert to fraction form
    288,828.32/433,455.12 = 137,025.68/x
  3. Step 3: Cross multiply
    288,828.32x = 433,455.12 × 137,025.68
  4. Step 4: Simplify right side
    288,828.32x = 59,394,484,891.18
  5. Step 5: Solve for x
    x = 59,394,484,891.18/288,828.32
  6. Step 6: Final answer
    x = 205,639.41

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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.