Home / 313,516.02-432,655.23-170,278.86

Finding the Fourth Proportional to 313,516.02, 432,655.23 and 170,278.86

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Solution

The fourth proportional to 313,516.02, 432,655.23 and 170,278.86 is: 234,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,516.02 : 432,655.23 = 170,278.86 : x
  2. Step 2: Convert to fraction form
    313,516.02/432,655.23 = 170,278.86/x
  3. Step 3: Cross multiply
    313,516.02x = 432,655.23 × 170,278.86
  4. Step 4: Simplify right side
    313,516.02x = 73,672,039,337.44
  5. Step 5: Solve for x
    x = 73,672,039,337.44/313,516.02
  6. Step 6: Final answer
    x = 234,986.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.