Home / 382,221.36-527,465.79-210,142.24

Finding the Fourth Proportional to 382,221.36, 527,465.79 and 210,142.24

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Solution

The fourth proportional to 382,221.36, 527,465.79 and 210,142.24 is: 289,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,221.36 : 527,465.79 = 210,142.24 : x
  2. Step 2: Convert to fraction form
    382,221.36/527,465.79 = 210,142.24/x
  3. Step 3: Cross multiply
    382,221.36x = 527,465.79 × 210,142.24
  4. Step 4: Simplify right side
    382,221.36x = 110,842,841,315.31
  5. Step 5: Solve for x
    x = 110,842,841,315.31/382,221.36
  6. Step 6: Final answer
    x = 289,996.46

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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.