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Finding the Fourth Proportional to 273,127, 376,916.86 and 152,275.88

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Solution

The fourth proportional to 273,127, 376,916.86 and 152,275.88 is: 210,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,127 : 376,916.86 = 152,275.88 : x
  2. Step 2: Convert to fraction form
    273,127/376,916.86 = 152,275.88/x
  3. Step 3: Cross multiply
    273,127x = 376,916.86 × 152,275.88
  4. Step 4: Simplify right side
    273,127x = 57,395,346,543.34
  5. Step 5: Solve for x
    x = 57,395,346,543.34/273,127
  6. Step 6: Final answer
    x = 210,141.61

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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.