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Finding the Fourth Proportional to 341,499.52, 470,831.25 and 280,019.22

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Solution

The fourth proportional to 341,499.52, 470,831.25 and 280,019.22 is: 386,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,499.52 : 470,831.25 = 280,019.22 : x
  2. Step 2: Convert to fraction form
    341,499.52/470,831.25 = 280,019.22/x
  3. Step 3: Cross multiply
    341,499.52x = 470,831.25 × 280,019.22
  4. Step 4: Simplify right side
    341,499.52x = 131,841,799,376.63
  5. Step 5: Solve for x
    x = 131,841,799,376.63/341,499.52
  6. Step 6: Final answer
    x = 386,067.31

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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.