Home / 270,155.39-372,812.76-149,303.66

Finding the Fourth Proportional to 270,155.39, 372,812.76 and 149,303.66

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Solution

The fourth proportional to 270,155.39, 372,812.76 and 149,303.66 is: 206,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,155.39 : 372,812.76 = 149,303.66 : x
  2. Step 2: Convert to fraction form
    270,155.39/372,812.76 = 149,303.66/x
  3. Step 3: Cross multiply
    270,155.39x = 372,812.76 × 149,303.66
  4. Step 4: Simplify right side
    270,155.39x = 55,662,307,698.64
  5. Step 5: Solve for x
    x = 55,662,307,698.64/270,155.39
  6. Step 6: Final answer
    x = 206,038.12

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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.