Home / 286,332.39-395,139.33-159,008.00

Finding the Fourth Proportional to 286,332.39, 395,139.33 and 159,008.00

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Solution

The fourth proportional to 286,332.39, 395,139.33 and 159,008.00 is: 219,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,332.39 : 395,139.33 = 159,008.00 : x
  2. Step 2: Convert to fraction form
    286,332.39/395,139.33 = 159,008.00/x
  3. Step 3: Cross multiply
    286,332.39x = 395,139.33 × 159,008.00
  4. Step 4: Simplify right side
    286,332.39x = 62,830,312,608.94
  5. Step 5: Solve for x
    x = 62,830,312,608.94/286,332.39
  6. Step 6: Final answer
    x = 219,431.38

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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.