Home / 272,675.40-376,358.36-157,935.56

Finding the Fourth Proportional to 272,675.40, 376,358.36 and 157,935.56

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Solution

The fourth proportional to 272,675.40, 376,358.36 and 157,935.56 is: 217,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,675.40 : 376,358.36 = 157,935.56 : x
  2. Step 2: Convert to fraction form
    272,675.40/376,358.36 = 157,935.56/x
  3. Step 3: Cross multiply
    272,675.40x = 376,358.36 × 157,935.56
  4. Step 4: Simplify right side
    272,675.40x = 59,440,368,347.28
  5. Step 5: Solve for x
    x = 59,440,368,347.28/272,675.40
  6. Step 6: Final answer
    x = 217,989.48

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1.5x scale

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.