Home / 313,895.13-433,173.15-170,655.17

Finding the Fourth Proportional to 313,895.13, 433,173.15 and 170,655.17

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Solution

The fourth proportional to 313,895.13, 433,173.15 and 170,655.17 is: 235,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,895.13 : 433,173.15 = 170,655.17 : x
  2. Step 2: Convert to fraction form
    313,895.13/433,173.15 = 170,655.17/x
  3. Step 3: Cross multiply
    313,895.13x = 433,173.15 × 170,655.17
  4. Step 4: Simplify right side
    313,895.13x = 73,923,237,995.66
  5. Step 5: Solve for x
    x = 73,923,237,995.66/313,895.13
  6. Step 6: Final answer
    x = 235,502.98

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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.