Home / 288,913.20-433,625.80-170,436.40

Finding the Fourth Proportional to 288,913.20, 433,625.80 and 170,436.40

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Solution

The fourth proportional to 288,913.20, 433,625.80 and 170,436.40 is: 255,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,913.20 : 433,625.80 = 170,436.40 : x
  2. Step 2: Convert to fraction form
    288,913.20/433,625.80 = 170,436.40/x
  3. Step 3: Cross multiply
    288,913.20x = 433,625.80 × 170,436.40
  4. Step 4: Simplify right side
    288,913.20x = 73,905,620,299.12
  5. Step 5: Solve for x
    x = 73,905,620,299.12/288,913.20
  6. Step 6: Final answer
    x = 255,805.62

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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.