Home / 221,521.68-332,075.16-122,818.32

Finding the Fourth Proportional to 221,521.68, 332,075.16 and 122,818.32

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Solution

The fourth proportional to 221,521.68, 332,075.16 and 122,818.32 is: 184,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,521.68 : 332,075.16 = 122,818.32 : x
  2. Step 2: Convert to fraction form
    221,521.68/332,075.16 = 122,818.32/x
  3. Step 3: Cross multiply
    221,521.68x = 332,075.16 × 122,818.32
  4. Step 4: Simplify right side
    221,521.68x = 40,784,913,264.93
  5. Step 5: Solve for x
    x = 40,784,913,264.93/221,521.68
  6. Step 6: Final answer
    x = 184,112.51

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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.