Home / 306,055.40-457,787.10-274,692.20

Finding the Fourth Proportional to 306,055.40, 457,787.10 and 274,692.20

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Solution

The fourth proportional to 306,055.40, 457,787.10 and 274,692.20 is: 410,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,055.40 : 457,787.10 = 274,692.20 : x
  2. Step 2: Convert to fraction form
    306,055.40/457,787.10 = 274,692.20/x
  3. Step 3: Cross multiply
    306,055.40x = 457,787.10 × 274,692.20
  4. Step 4: Simplify right side
    306,055.40x = 125,750,545,630.62
  5. Step 5: Solve for x
    x = 125,750,545,630.62/306,055.40
  6. Step 6: Final answer
    x = 410,875.11

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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.