Home / 305,256.36-457,877.38-80,632.47

Finding the Fourth Proportional to 305,256.36, 457,877.38 and 80,632.47

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Solution

The fourth proportional to 305,256.36, 457,877.38 and 80,632.47 is: 120,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,256.36 : 457,877.38 = 80,632.47 : x
  2. Step 2: Convert to fraction form
    305,256.36/457,877.38 = 80,632.47/x
  3. Step 3: Cross multiply
    305,256.36x = 457,877.38 × 80,632.47
  4. Step 4: Simplify right side
    305,256.36x = 36,919,784,106.53
  5. Step 5: Solve for x
    x = 36,919,784,106.53/305,256.36
  6. Step 6: Final answer
    x = 120,946.81

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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.