Home / 250,491.32-345,701.94-143,077.40

Finding the Fourth Proportional to 250,491.32, 345,701.94 and 143,077.40

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Solution

The fourth proportional to 250,491.32, 345,701.94 and 143,077.40 is: 197,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,491.32 : 345,701.94 = 143,077.40 : x
  2. Step 2: Convert to fraction form
    250,491.32/345,701.94 = 143,077.40/x
  3. Step 3: Cross multiply
    250,491.32x = 345,701.94 × 143,077.40
  4. Step 4: Simplify right side
    250,491.32x = 49,462,134,750.16
  5. Step 5: Solve for x
    x = 49,462,134,750.16/250,491.32
  6. Step 6: Final answer
    x = 197,460.47

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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.