Home / 222,712.20-334,068.30-209,590.20

Finding the Fourth Proportional to 222,712.20, 334,068.30 and 209,590.20

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Solution

The fourth proportional to 222,712.20, 334,068.30 and 209,590.20 is: 314,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,712.20 : 334,068.30 = 209,590.20 : x
  2. Step 2: Convert to fraction form
    222,712.20/334,068.30 = 209,590.20/x
  3. Step 3: Cross multiply
    222,712.20x = 334,068.30 × 209,590.20
  4. Step 4: Simplify right side
    222,712.20x = 70,017,441,810.66
  5. Step 5: Solve for x
    x = 70,017,441,810.66/222,712.20
  6. Step 6: Final answer
    x = 314,385.30

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1.5x scale

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.