Home / 288,209.54-432,330.07-119,746.90

Finding the Fourth Proportional to 288,209.54, 432,330.07 and 119,746.90

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Solution

The fourth proportional to 288,209.54, 432,330.07 and 119,746.90 is: 179,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,209.54 : 432,330.07 = 119,746.90 : x
  2. Step 2: Convert to fraction form
    288,209.54/432,330.07 = 119,746.90/x
  3. Step 3: Cross multiply
    288,209.54x = 432,330.07 × 119,746.90
  4. Step 4: Simplify right side
    288,209.54x = 51,770,183,647.32
  5. Step 5: Solve for x
    x = 51,770,183,647.32/288,209.54
  6. Step 6: Final answer
    x = 179,626.89

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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.