Home / 211,401.35-316,769.43-163,487.25

Finding the Fourth Proportional to 211,401.35, 316,769.43 and 163,487.25

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Solution

The fourth proportional to 211,401.35, 316,769.43 and 163,487.25 is: 244,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,401.35 : 316,769.43 = 163,487.25 : x
  2. Step 2: Convert to fraction form
    211,401.35/316,769.43 = 163,487.25/x
  3. Step 3: Cross multiply
    211,401.35x = 316,769.43 × 163,487.25
  4. Step 4: Simplify right side
    211,401.35x = 51,787,762,994.77
  5. Step 5: Solve for x
    x = 51,787,762,994.77/211,401.35
  6. Step 6: Final answer
    x = 244,973.66

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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.