Home / 288,439.32-432,328.50-110,854.92

Finding the Fourth Proportional to 288,439.32, 432,328.50 and 110,854.92

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Solution

The fourth proportional to 288,439.32, 432,328.50 and 110,854.92 is: 166,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,439.32 : 432,328.50 = 110,854.92 : x
  2. Step 2: Convert to fraction form
    288,439.32/432,328.50 = 110,854.92/x
  3. Step 3: Cross multiply
    288,439.32x = 432,328.50 × 110,854.92
  4. Step 4: Simplify right side
    288,439.32x = 47,925,741,281.22
  5. Step 5: Solve for x
    x = 47,925,741,281.22/288,439.32
  6. Step 6: Final answer
    x = 166,155.37

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1.5x scale

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.