Home / 369,193.60-553,790.40-211,292.20

Finding the Fourth Proportional to 369,193.60, 553,790.40 and 211,292.20

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Solution

The fourth proportional to 369,193.60, 553,790.40 and 211,292.20 is: 316,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,193.60 : 553,790.40 = 211,292.20 : x
  2. Step 2: Convert to fraction form
    369,193.60/553,790.40 = 211,292.20/x
  3. Step 3: Cross multiply
    369,193.60x = 553,790.40 × 211,292.20
  4. Step 4: Simplify right side
    369,193.60x = 117,011,591,954.88
  5. Step 5: Solve for x
    x = 117,011,591,954.88/369,193.60
  6. Step 6: Final answer
    x = 316,938.30

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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.