Home / 278,112.64-383,798.10-150,788.56

Finding the Fourth Proportional to 278,112.64, 383,798.10 and 150,788.56

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Solution

The fourth proportional to 278,112.64, 383,798.10 and 150,788.56 is: 208,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,112.64 : 383,798.10 = 150,788.56 : x
  2. Step 2: Convert to fraction form
    278,112.64/383,798.10 = 150,788.56/x
  3. Step 3: Cross multiply
    278,112.64x = 383,798.10 × 150,788.56
  4. Step 4: Simplify right side
    278,112.64x = 57,872,362,829.74
  5. Step 5: Solve for x
    x = 57,872,362,829.74/278,112.64
  6. Step 6: Final answer
    x = 208,089.65

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1.5x scale

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.