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Finding the Fourth Proportional to 245,739.24, 368,608.62 and 77,258.76

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Solution

The fourth proportional to 245,739.24, 368,608.62 and 77,258.76 is: 115,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,739.24 : 368,608.62 = 77,258.76 : x
  2. Step 2: Convert to fraction form
    245,739.24/368,608.62 = 77,258.76/x
  3. Step 3: Cross multiply
    245,739.24x = 368,608.62 × 77,258.76
  4. Step 4: Simplify right side
    245,739.24x = 28,478,244,906.51
  5. Step 5: Solve for x
    x = 28,478,244,906.51/245,739.24
  6. Step 6: Final answer
    x = 115,888.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.