Home / 270,032.47-372,639.45-149,172.63

Finding the Fourth Proportional to 270,032.47, 372,639.45 and 149,172.63

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Solution

The fourth proportional to 270,032.47, 372,639.45 and 149,172.63 is: 205,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,032.47 : 372,639.45 = 149,172.63 : x
  2. Step 2: Convert to fraction form
    270,032.47/372,639.45 = 149,172.63/x
  3. Step 3: Cross multiply
    270,032.47x = 372,639.45 × 149,172.63
  4. Step 4: Simplify right side
    270,032.47x = 55,587,606,798.25
  5. Step 5: Solve for x
    x = 55,587,606,798.25/270,032.47
  6. Step 6: Final answer
    x = 205,855.27

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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.