Home / 305,656.19-457,887.86-200,155.31

Finding the Fourth Proportional to 305,656.19, 457,887.86 and 200,155.31

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Solution

The fourth proportional to 305,656.19, 457,887.86 and 200,155.31 is: 299,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,656.19 : 457,887.86 = 200,155.31 : x
  2. Step 2: Convert to fraction form
    305,656.19/457,887.86 = 200,155.31/x
  3. Step 3: Cross multiply
    305,656.19x = 457,887.86 × 200,155.31
  4. Step 4: Simplify right side
    305,656.19x = 91,648,687,207.87
  5. Step 5: Solve for x
    x = 91,648,687,207.87/305,656.19
  6. Step 6: Final answer
    x = 299,842.40

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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.