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Finding the Fourth Proportional to 272,610, 376,201.68 and 151,748.76

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Solution

The fourth proportional to 272,610, 376,201.68 and 151,748.76 is: 209,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,610 : 376,201.68 = 151,748.76 : x
  2. Step 2: Convert to fraction form
    272,610/376,201.68 = 151,748.76/x
  3. Step 3: Cross multiply
    272,610x = 376,201.68 × 151,748.76
  4. Step 4: Simplify right side
    272,610x = 57,088,138,449.92
  5. Step 5: Solve for x
    x = 57,088,138,449.92/272,610
  6. Step 6: Final answer
    x = 209,413.22

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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.