Home / 377,554.80-566,332.20-128,236.80

Finding the Fourth Proportional to 377,554.80, 566,332.20 and 128,236.80

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Solution

The fourth proportional to 377,554.80, 566,332.20 and 128,236.80 is: 192,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,554.80 : 566,332.20 = 128,236.80 : x
  2. Step 2: Convert to fraction form
    377,554.80/566,332.20 = 128,236.80/x
  3. Step 3: Cross multiply
    377,554.80x = 566,332.20 × 128,236.80
  4. Step 4: Simplify right side
    377,554.80x = 72,624,629,064.96
  5. Step 5: Solve for x
    x = 72,624,629,064.96/377,554.80
  6. Step 6: Final answer
    x = 192,355.20

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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.