Home / 245,521.64-368,298.03-77,048.61

Finding the Fourth Proportional to 245,521.64, 368,298.03 and 77,048.61

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Solution

The fourth proportional to 245,521.64, 368,298.03 and 77,048.61 is: 115,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521.64 : 368,298.03 = 77,048.61 : x
  2. Step 2: Convert to fraction form
    245,521.64/368,298.03 = 77,048.61/x
  3. Step 3: Cross multiply
    245,521.64x = 368,298.03 × 77,048.61
  4. Step 4: Simplify right side
    245,521.64x = 28,376,851,277.24
  5. Step 5: Solve for x
    x = 28,376,851,277.24/245,521.64
  6. Step 6: Final answer
    x = 115,577.80

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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.