Home / 369,738.65-554,639.73-129,831.93

Finding the Fourth Proportional to 369,738.65, 554,639.73 and 129,831.93

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Solution

The fourth proportional to 369,738.65, 554,639.73 and 129,831.93 is: 194,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,738.65 : 554,639.73 = 129,831.93 : x
  2. Step 2: Convert to fraction form
    369,738.65/554,639.73 = 129,831.93/x
  3. Step 3: Cross multiply
    369,738.65x = 554,639.73 × 129,831.93
  4. Step 4: Simplify right side
    369,738.65x = 72,009,946,600.58
  5. Step 5: Solve for x
    x = 72,009,946,600.58/369,738.65
  6. Step 6: Final answer
    x = 194,759.05

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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.