Home / 313,727.07-432,941.38-170,487.13

Finding the Fourth Proportional to 313,727.07, 432,941.38 and 170,487.13

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Solution

The fourth proportional to 313,727.07, 432,941.38 and 170,487.13 is: 235,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,727.07 : 432,941.38 = 170,487.13 : x
  2. Step 2: Convert to fraction form
    313,727.07/432,941.38 = 170,487.13/x
  3. Step 3: Cross multiply
    313,727.07x = 432,941.38 × 170,487.13
  4. Step 4: Simplify right side
    313,727.07x = 73,810,933,117.13
  5. Step 5: Solve for x
    x = 73,810,933,117.13/313,727.07
  6. Step 6: Final answer
    x = 235,271.16

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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.