Home / 288,423.12-432,328.32-170,150.16

Finding the Fourth Proportional to 288,423.12, 432,328.32 and 170,150.16

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Solution

The fourth proportional to 288,423.12, 432,328.32 and 170,150.16 is: 255,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,423.12 : 432,328.32 = 170,150.16 : x
  2. Step 2: Convert to fraction form
    288,423.12/432,328.32 = 170,150.16/x
  3. Step 3: Cross multiply
    288,423.12x = 432,328.32 × 170,150.16
  4. Step 4: Simplify right side
    288,423.12x = 73,560,732,820.53
  5. Step 5: Solve for x
    x = 73,560,732,820.53/288,423.12
  6. Step 6: Final answer
    x = 255,044.51

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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.