Home / 379,513.32-569,204.04-142,857.84

Finding the Fourth Proportional to 379,513.32, 569,204.04 and 142,857.84

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Solution

The fourth proportional to 379,513.32, 569,204.04 and 142,857.84 is: 214,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,513.32 : 569,204.04 = 142,857.84 : x
  2. Step 2: Convert to fraction form
    379,513.32/569,204.04 = 142,857.84/x
  3. Step 3: Cross multiply
    379,513.32x = 569,204.04 × 142,857.84
  4. Step 4: Simplify right side
    379,513.32x = 81,315,259,673.67
  5. Step 5: Solve for x
    x = 81,315,259,673.67/379,513.32
  6. Step 6: Final answer
    x = 214,261.94

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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.