Home / 272,811.56-376,498.88-165,386.12

Finding the Fourth Proportional to 272,811.56, 376,498.88 and 165,386.12

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Solution

The fourth proportional to 272,811.56, 376,498.88 and 165,386.12 is: 228,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,811.56 : 376,498.88 = 165,386.12 : x
  2. Step 2: Convert to fraction form
    272,811.56/376,498.88 = 165,386.12/x
  3. Step 3: Cross multiply
    272,811.56x = 376,498.88 × 165,386.12
  4. Step 4: Simplify right side
    272,811.56x = 62,267,688,947.55
  5. Step 5: Solve for x
    x = 62,267,688,947.55/272,811.56
  6. Step 6: Final answer
    x = 228,244.32

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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.