Home / 291,962.85-402,908.07-164,637.55

Finding the Fourth Proportional to 291,962.85, 402,908.07 and 164,637.55

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Solution

The fourth proportional to 291,962.85, 402,908.07 and 164,637.55 is: 227,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,962.85 : 402,908.07 = 164,637.55 : x
  2. Step 2: Convert to fraction form
    291,962.85/402,908.07 = 164,637.55/x
  3. Step 3: Cross multiply
    291,962.85x = 402,908.07 × 164,637.55
  4. Step 4: Simplify right side
    291,962.85x = 66,333,797,520.03
  5. Step 5: Solve for x
    x = 66,333,797,520.03/291,962.85
  6. Step 6: Final answer
    x = 227,199.45

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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.