Home / 460,156.42-635,327.58-288,143.40

Finding the Fourth Proportional to 460,156.42, 635,327.58 and 288,143.40

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Solution

The fourth proportional to 460,156.42, 635,327.58 and 288,143.40 is: 397,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,156.42 : 635,327.58 = 288,143.40 : x
  2. Step 2: Convert to fraction form
    460,156.42/635,327.58 = 288,143.40/x
  3. Step 3: Cross multiply
    460,156.42x = 635,327.58 × 288,143.40
  4. Step 4: Simplify right side
    460,156.42x = 183,065,449,014.97
  5. Step 5: Solve for x
    x = 183,065,449,014.97/460,156.42
  6. Step 6: Final answer
    x = 397,833.09

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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.