Home / 297,479.22-446,219.37-209,128.02

Finding the Fourth Proportional to 297,479.22, 446,219.37 and 209,128.02

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Solution

The fourth proportional to 297,479.22, 446,219.37 and 209,128.02 is: 313,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,479.22 : 446,219.37 = 209,128.02 : x
  2. Step 2: Convert to fraction form
    297,479.22/446,219.37 = 209,128.02/x
  3. Step 3: Cross multiply
    297,479.22x = 446,219.37 × 209,128.02
  4. Step 4: Simplify right side
    297,479.22x = 93,316,973,333.75
  5. Step 5: Solve for x
    x = 93,316,973,333.75/297,479.22
  6. Step 6: Final answer
    x = 313,692.41

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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.