Home / 286,273.28-395,045.16-158,941.28

Finding the Fourth Proportional to 286,273.28, 395,045.16 and 158,941.28

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Solution

The fourth proportional to 286,273.28, 395,045.16 and 158,941.28 is: 219,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,273.28 : 395,045.16 = 158,941.28 : x
  2. Step 2: Convert to fraction form
    286,273.28/395,045.16 = 158,941.28/x
  3. Step 3: Cross multiply
    286,273.28x = 395,045.16 × 158,941.28
  4. Step 4: Simplify right side
    286,273.28x = 62,788,983,388.20
  5. Step 5: Solve for x
    x = 62,788,983,388.20/286,273.28
  6. Step 6: Final answer
    x = 219,332.32

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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.