Home / 257,827.73-355,823.70-143,117.15

Finding the Fourth Proportional to 257,827.73, 355,823.70 and 143,117.15

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Solution

The fourth proportional to 257,827.73, 355,823.70 and 143,117.15 is: 197,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,827.73 : 355,823.70 = 143,117.15 : x
  2. Step 2: Convert to fraction form
    257,827.73/355,823.70 = 143,117.15/x
  3. Step 3: Cross multiply
    257,827.73x = 355,823.70 × 143,117.15
  4. Step 4: Simplify right side
    257,827.73x = 50,924,473,846.46
  5. Step 5: Solve for x
    x = 50,924,473,846.46/257,827.73
  6. Step 6: Final answer
    x = 197,513.56

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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.