Home / 332,145.20-496,905.60-288,259.40

Finding the Fourth Proportional to 332,145.20, 496,905.60 and 288,259.40

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Solution

The fourth proportional to 332,145.20, 496,905.60 and 288,259.40 is: 431,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,145.20 : 496,905.60 = 288,259.40 : x
  2. Step 2: Convert to fraction form
    332,145.20/496,905.60 = 288,259.40/x
  3. Step 3: Cross multiply
    332,145.20x = 496,905.60 × 288,259.40
  4. Step 4: Simplify right side
    332,145.20x = 143,237,710,112.64
  5. Step 5: Solve for x
    x = 143,237,710,112.64/332,145.20
  6. Step 6: Final answer
    x = 431,250.28

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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.