Home / 313,981.40-433,305.78-179,871.32

Finding the Fourth Proportional to 313,981.40, 433,305.78 and 179,871.32

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Solution

The fourth proportional to 313,981.40, 433,305.78 and 179,871.32 is: 248,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.40 : 433,305.78 = 179,871.32 : x
  2. Step 2: Convert to fraction form
    313,981.40/433,305.78 = 179,871.32/x
  3. Step 3: Cross multiply
    313,981.40x = 433,305.78 × 179,871.32
  4. Step 4: Simplify right side
    313,981.40x = 77,939,282,612.23
  5. Step 5: Solve for x
    x = 77,939,282,612.23/313,981.40
  6. Step 6: Final answer
    x = 248,228.98

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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.