Home / 364,823.60-546,943.80-154,288.40

Finding the Fourth Proportional to 364,823.60, 546,943.80 and 154,288.40

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Solution

The fourth proportional to 364,823.60, 546,943.80 and 154,288.40 is: 231,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,823.60 : 546,943.80 = 154,288.40 : x
  2. Step 2: Convert to fraction form
    364,823.60/546,943.80 = 154,288.40/x
  3. Step 3: Cross multiply
    364,823.60x = 546,943.80 × 154,288.40
  4. Step 4: Simplify right side
    364,823.60x = 84,387,083,791.92
  5. Step 5: Solve for x
    x = 84,387,083,791.92/364,823.60
  6. Step 6: Final answer
    x = 231,309.28

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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.