Home / 312,292.04-468,367.96-143,650.40

Finding the Fourth Proportional to 312,292.04, 468,367.96 and 143,650.40

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Solution

The fourth proportional to 312,292.04, 468,367.96 and 143,650.40 is: 215,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,292.04 : 468,367.96 = 143,650.40 : x
  2. Step 2: Convert to fraction form
    312,292.04/468,367.96 = 143,650.40/x
  3. Step 3: Cross multiply
    312,292.04x = 468,367.96 × 143,650.40
  4. Step 4: Simplify right side
    312,292.04x = 67,281,244,801.18
  5. Step 5: Solve for x
    x = 67,281,244,801.18/312,292.04
  6. Step 6: Final answer
    x = 215,443.35

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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.