Home / 348,005.07-522,010.67-137,642.97

Finding the Fourth Proportional to 348,005.07, 522,010.67 and 137,642.97

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Solution

The fourth proportional to 348,005.07, 522,010.67 and 137,642.97 is: 206,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,005.07 : 522,010.67 = 137,642.97 : x
  2. Step 2: Convert to fraction form
    348,005.07/522,010.67 = 137,642.97/x
  3. Step 3: Cross multiply
    348,005.07x = 522,010.67 × 137,642.97
  4. Step 4: Simplify right side
    348,005.07x = 71,851,098,302.28
  5. Step 5: Solve for x
    x = 71,851,098,302.28/348,005.07
  6. Step 6: Final answer
    x = 206,465.67

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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.