Home / 288,923.90-432,948.45-195,320.30

Finding the Fourth Proportional to 288,923.90, 432,948.45 and 195,320.30

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Solution

The fourth proportional to 288,923.90, 432,948.45 and 195,320.30 is: 292,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,923.90 : 432,948.45 = 195,320.30 : x
  2. Step 2: Convert to fraction form
    288,923.90/432,948.45 = 195,320.30/x
  3. Step 3: Cross multiply
    288,923.90x = 432,948.45 × 195,320.30
  4. Step 4: Simplify right side
    288,923.90x = 84,563,621,138.54
  5. Step 5: Solve for x
    x = 84,563,621,138.54/288,923.90
  6. Step 6: Final answer
    x = 292,684.76

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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.