Home / 289,155.02-398,986.46-181,648.94

Finding the Fourth Proportional to 289,155.02, 398,986.46 and 181,648.94

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Solution

The fourth proportional to 289,155.02, 398,986.46 and 181,648.94 is: 250,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,155.02 : 398,986.46 = 181,648.94 : x
  2. Step 2: Convert to fraction form
    289,155.02/398,986.46 = 181,648.94/x
  3. Step 3: Cross multiply
    289,155.02x = 398,986.46 × 181,648.94
  4. Step 4: Simplify right side
    289,155.02x = 72,475,464,630.18
  5. Step 5: Solve for x
    x = 72,475,464,630.18/289,155.02
  6. Step 6: Final answer
    x = 250,645.71

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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.