Home / 505,034.07-757,410.93-140,211.84

Finding the Fourth Proportional to 505,034.07, 757,410.93 and 140,211.84

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Solution

The fourth proportional to 505,034.07, 757,410.93 and 140,211.84 is: 210,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,034.07 : 757,410.93 = 140,211.84 : x
  2. Step 2: Convert to fraction form
    505,034.07/757,410.93 = 140,211.84/x
  3. Step 3: Cross multiply
    505,034.07x = 757,410.93 × 140,211.84
  4. Step 4: Simplify right side
    505,034.07x = 106,197,980,131.41
  5. Step 5: Solve for x
    x = 106,197,980,131.41/505,034.07
  6. Step 6: Final answer
    x = 210,278.84

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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.