Home / 272,709.15-376,319.40-170,729.94

Finding the Fourth Proportional to 272,709.15, 376,319.40 and 170,729.94

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Solution

The fourth proportional to 272,709.15, 376,319.40 and 170,729.94 is: 235,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,709.15 : 376,319.40 = 170,729.94 : x
  2. Step 2: Convert to fraction form
    272,709.15/376,319.40 = 170,729.94/x
  3. Step 3: Cross multiply
    272,709.15x = 376,319.40 × 170,729.94
  4. Step 4: Simplify right side
    272,709.15x = 64,248,988,582.84
  5. Step 5: Solve for x
    x = 64,248,988,582.84/272,709.15
  6. Step 6: Final answer
    x = 235,595.28

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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.