Home / 357,277.64-493,043.36-214,120.76

Finding the Fourth Proportional to 357,277.64, 493,043.36 and 214,120.76

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Solution

The fourth proportional to 357,277.64, 493,043.36 and 214,120.76 is: 295,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,277.64 : 493,043.36 = 214,120.76 : x
  2. Step 2: Convert to fraction form
    357,277.64/493,043.36 = 214,120.76/x
  3. Step 3: Cross multiply
    357,277.64x = 493,043.36 × 214,120.76
  4. Step 4: Simplify right side
    357,277.64x = 105,570,818,956.15
  5. Step 5: Solve for x
    x = 105,570,818,956.15/357,277.64
  6. Step 6: Final answer
    x = 295,486.78

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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.