Home / 313,280.07-432,326.88-170,040.08

Finding the Fourth Proportional to 313,280.07, 432,326.88 and 170,040.08

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Solution

The fourth proportional to 313,280.07, 432,326.88 and 170,040.08 is: 234,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280.07 : 432,326.88 = 170,040.08 : x
  2. Step 2: Convert to fraction form
    313,280.07/432,326.88 = 170,040.08/x
  3. Step 3: Cross multiply
    313,280.07x = 432,326.88 × 170,040.08
  4. Step 4: Simplify right side
    313,280.07x = 73,512,895,099.72
  5. Step 5: Solve for x
    x = 73,512,895,099.72/313,280.07
  6. Step 6: Final answer
    x = 234,655.51

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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.