Home / 272,689.06-376,306.40-159,530.98

Finding the Fourth Proportional to 272,689.06, 376,306.40 and 159,530.98

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Solution

The fourth proportional to 272,689.06, 376,306.40 and 159,530.98 is: 220,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,689.06 : 376,306.40 = 159,530.98 : x
  2. Step 2: Convert to fraction form
    272,689.06/376,306.40 = 159,530.98/x
  3. Step 3: Cross multiply
    272,689.06x = 376,306.40 × 159,530.98
  4. Step 4: Simplify right side
    272,689.06x = 60,032,528,772.27
  5. Step 5: Solve for x
    x = 60,032,528,772.27/272,689.06
  6. Step 6: Final answer
    x = 220,150.12

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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.