Home / 257,941.76-355,975.42-144,764.50

Finding the Fourth Proportional to 257,941.76, 355,975.42 and 144,764.50

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Solution

The fourth proportional to 257,941.76, 355,975.42 and 144,764.50 is: 199,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,941.76 : 355,975.42 = 144,764.50 : x
  2. Step 2: Convert to fraction form
    257,941.76/355,975.42 = 144,764.50/x
  3. Step 3: Cross multiply
    257,941.76x = 355,975.42 × 144,764.50
  4. Step 4: Simplify right side
    257,941.76x = 51,532,603,688.59
  5. Step 5: Solve for x
    x = 51,532,603,688.59/257,941.76
  6. Step 6: Final answer
    x = 199,783.87

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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.