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Finding the Fourth Proportional to 273,038.76, 376,795.34 and 152,187.82

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Solution

The fourth proportional to 273,038.76, 376,795.34 and 152,187.82 is: 210,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,038.76 : 376,795.34 = 152,187.82 : x
  2. Step 2: Convert to fraction form
    273,038.76/376,795.34 = 152,187.82/x
  3. Step 3: Cross multiply
    273,038.76x = 376,795.34 × 152,187.82
  4. Step 4: Simplify right side
    273,038.76x = 57,343,661,380.76
  5. Step 5: Solve for x
    x = 57,343,661,380.76/273,038.76
  6. Step 6: Final answer
    x = 210,020.22

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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.