Home / 261,787.57-361,162.95-151,385.81

Finding the Fourth Proportional to 261,787.57, 361,162.95 and 151,385.81

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Solution

The fourth proportional to 261,787.57, 361,162.95 and 151,385.81 is: 208,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,787.57 : 361,162.95 = 151,385.81 : x
  2. Step 2: Convert to fraction form
    261,787.57/361,162.95 = 151,385.81/x
  3. Step 3: Cross multiply
    261,787.57x = 361,162.95 × 151,385.81
  4. Step 4: Simplify right side
    261,787.57x = 54,674,945,727.74
  5. Step 5: Solve for x
    x = 54,674,945,727.74/261,787.57
  6. Step 6: Final answer
    x = 208,852.34

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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.