Home / 288,864.20-433,552.30-170,387.40

Finding the Fourth Proportional to 288,864.20, 433,552.30 and 170,387.40

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Solution

The fourth proportional to 288,864.20, 433,552.30 and 170,387.40 is: 255,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,864.20 : 433,552.30 = 170,387.40 : x
  2. Step 2: Convert to fraction form
    288,864.20/433,552.30 = 170,387.40/x
  3. Step 3: Cross multiply
    288,864.20x = 433,552.30 × 170,387.40
  4. Step 4: Simplify right side
    288,864.20x = 73,871,849,161.02
  5. Step 5: Solve for x
    x = 73,871,849,161.02/288,864.20
  6. Step 6: Final answer
    x = 255,732.10

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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.