Home / 276,140.08-381,175-242,506.76

Finding the Fourth Proportional to 276,140.08, 381,175 and 242,506.76

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Solution

The fourth proportional to 276,140.08, 381,175 and 242,506.76 is: 334,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,140.08 : 381,175 = 242,506.76 : x
  2. Step 2: Convert to fraction form
    276,140.08/381,175 = 242,506.76/x
  3. Step 3: Cross multiply
    276,140.08x = 381,175 × 242,506.76
  4. Step 4: Simplify right side
    276,140.08x = 92,437,514,243
  5. Step 5: Solve for x
    x = 92,437,514,243/276,140.08
  6. Step 6: Final answer
    x = 334,748.63

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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.