Home / 257,332.66-355,113.96-142,608.93

Finding the Fourth Proportional to 257,332.66, 355,113.96 and 142,608.93

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Solution

The fourth proportional to 257,332.66, 355,113.96 and 142,608.93 is: 196,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,332.66 : 355,113.96 = 142,608.93 : x
  2. Step 2: Convert to fraction form
    257,332.66/355,113.96 = 142,608.93/x
  3. Step 3: Cross multiply
    257,332.66x = 355,113.96 × 142,608.93
  4. Step 4: Simplify right side
    257,332.66x = 50,642,420,925.21
  5. Step 5: Solve for x
    x = 50,642,420,925.21/257,332.66
  6. Step 6: Final answer
    x = 196,797.49

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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.