Home / 272,698.18-376,341.58-165,278.40

Finding the Fourth Proportional to 272,698.18, 376,341.58 and 165,278.40

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Solution

The fourth proportional to 272,698.18, 376,341.58 and 165,278.40 is: 228,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,698.18 : 376,341.58 = 165,278.40 : x
  2. Step 2: Convert to fraction form
    272,698.18/376,341.58 = 165,278.40/x
  3. Step 3: Cross multiply
    272,698.18x = 376,341.58 × 165,278.40
  4. Step 4: Simplify right side
    272,698.18x = 62,201,134,195.87
  5. Step 5: Solve for x
    x = 62,201,134,195.87/272,698.18
  6. Step 6: Final answer
    x = 228,095.16

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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.