Home / 369,986.60-554,917.30-103,685.83

Finding the Fourth Proportional to 369,986.60, 554,917.30 and 103,685.83

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Solution

The fourth proportional to 369,986.60, 554,917.30 and 103,685.83 is: 155,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.60 : 554,917.30 = 103,685.83 : x
  2. Step 2: Convert to fraction form
    369,986.60/554,917.30 = 103,685.83/x
  3. Step 3: Cross multiply
    369,986.60x = 554,917.30 × 103,685.83
  4. Step 4: Simplify right side
    369,986.60x = 57,537,060,831.86
  5. Step 5: Solve for x
    x = 57,537,060,831.86/369,986.60
  6. Step 6: Final answer
    x = 155,511.20

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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.