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Finding the Fourth Proportional to 272,715.84, 376,226.40 and 159,488.64

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Solution

The fourth proportional to 272,715.84, 376,226.40 and 159,488.64 is: 220,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,715.84 : 376,226.40 = 159,488.64 : x
  2. Step 2: Convert to fraction form
    272,715.84/376,226.40 = 159,488.64/x
  3. Step 3: Cross multiply
    272,715.84x = 376,226.40 × 159,488.64
  4. Step 4: Simplify right side
    272,715.84x = 60,003,836,868.10
  5. Step 5: Solve for x
    x = 60,003,836,868.10/272,715.84
  6. Step 6: Final answer
    x = 220,023.29

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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.