Home / 348,215.60-521,632.20-190,161.20

Finding the Fourth Proportional to 348,215.60, 521,632.20 and 190,161.20

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Solution

The fourth proportional to 348,215.60, 521,632.20 and 190,161.20 is: 284,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,215.60 : 521,632.20 = 190,161.20 : x
  2. Step 2: Convert to fraction form
    348,215.60/521,632.20 = 190,161.20/x
  3. Step 3: Cross multiply
    348,215.60x = 521,632.20 × 190,161.20
  4. Step 4: Simplify right side
    348,215.60x = 99,194,205,110.64
  5. Step 5: Solve for x
    x = 99,194,205,110.64/348,215.60
  6. Step 6: Final answer
    x = 284,864.33

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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.