Home / 349,870.08-482,831.36-198,988.80

Finding the Fourth Proportional to 349,870.08, 482,831.36 and 198,988.80

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Solution

The fourth proportional to 349,870.08, 482,831.36 and 198,988.80 is: 274,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,870.08 : 482,831.36 = 198,988.80 : x
  2. Step 2: Convert to fraction form
    349,870.08/482,831.36 = 198,988.80/x
  3. Step 3: Cross multiply
    349,870.08x = 482,831.36 × 198,988.80
  4. Step 4: Simplify right side
    349,870.08x = 96,078,032,928.77
  5. Step 5: Solve for x
    x = 96,078,032,928.77/349,870.08
  6. Step 6: Final answer
    x = 274,610.60

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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.