Home / 288,947.10-433,291.05-131,094.30

Finding the Fourth Proportional to 288,947.10, 433,291.05 and 131,094.30

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Solution

The fourth proportional to 288,947.10, 433,291.05 and 131,094.30 is: 196,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,947.10 : 433,291.05 = 131,094.30 : x
  2. Step 2: Convert to fraction form
    288,947.10/433,291.05 = 131,094.30/x
  3. Step 3: Cross multiply
    288,947.10x = 433,291.05 × 131,094.30
  4. Step 4: Simplify right side
    288,947.10x = 56,801,986,896.02
  5. Step 5: Solve for x
    x = 56,801,986,896.02/288,947.10
  6. Step 6: Final answer
    x = 196,582.65

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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.