Home / 286,182.24-429,282.47-143,949.84

Finding the Fourth Proportional to 286,182.24, 429,282.47 and 143,949.84

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Solution

The fourth proportional to 286,182.24, 429,282.47 and 143,949.84 is: 215,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,182.24 : 429,282.47 = 143,949.84 : x
  2. Step 2: Convert to fraction form
    286,182.24/429,282.47 = 143,949.84/x
  3. Step 3: Cross multiply
    286,182.24x = 429,282.47 × 143,949.84
  4. Step 4: Simplify right side
    286,182.24x = 61,795,142,871.30
  5. Step 5: Solve for x
    x = 61,795,142,871.30/286,182.24
  6. Step 6: Final answer
    x = 215,929.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.