Home / 369,091.82-553,637.70-211,208.66

Finding the Fourth Proportional to 369,091.82, 553,637.70 and 211,208.66

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Solution

The fourth proportional to 369,091.82, 553,637.70 and 211,208.66 is: 316,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,091.82 : 553,637.70 = 211,208.66 : x
  2. Step 2: Convert to fraction form
    369,091.82/553,637.70 = 211,208.66/x
  3. Step 3: Cross multiply
    369,091.82x = 553,637.70 × 211,208.66
  4. Step 4: Simplify right side
    369,091.82x = 116,933,076,742.48
  5. Step 5: Solve for x
    x = 116,933,076,742.48/369,091.82
  6. Step 6: Final answer
    x = 316,812.97

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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.