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Finding the Fourth Proportional to 313,341, 432,411.12 and 179,205

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Solution

The fourth proportional to 313,341, 432,411.12 and 179,205 is: 247,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,341 : 432,411.12 = 179,205 : x
  2. Step 2: Convert to fraction form
    313,341/432,411.12 = 179,205/x
  3. Step 3: Cross multiply
    313,341x = 432,411.12 × 179,205
  4. Step 4: Simplify right side
    313,341x = 77,490,234,759.60
  5. Step 5: Solve for x
    x = 77,490,234,759.60/313,341
  6. Step 6: Final answer
    x = 247,303.21

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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.