Home / 252,038.70-347,819.67-155,205.90

Finding the Fourth Proportional to 252,038.70, 347,819.67 and 155,205.90

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Solution

The fourth proportional to 252,038.70, 347,819.67 and 155,205.90 is: 214,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,038.70 : 347,819.67 = 155,205.90 : x
  2. Step 2: Convert to fraction form
    252,038.70/347,819.67 = 155,205.90/x
  3. Step 3: Cross multiply
    252,038.70x = 347,819.67 × 155,205.90
  4. Step 4: Simplify right side
    252,038.70x = 53,983,664,920.05
  5. Step 5: Solve for x
    x = 53,983,664,920.05/252,038.70
  6. Step 6: Final answer
    x = 214,188.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.