Home / 383,530.49-529,272.65-213,760.97

Finding the Fourth Proportional to 383,530.49, 529,272.65 and 213,760.97

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Solution

The fourth proportional to 383,530.49, 529,272.65 and 213,760.97 is: 294,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,530.49 : 529,272.65 = 213,760.97 : x
  2. Step 2: Convert to fraction form
    383,530.49/529,272.65 = 213,760.97/x
  3. Step 3: Cross multiply
    383,530.49x = 529,272.65 × 213,760.97
  4. Step 4: Simplify right side
    383,530.49x = 113,137,835,058.47
  5. Step 5: Solve for x
    x = 113,137,835,058.47/383,530.49
  6. Step 6: Final answer
    x = 294,990.46

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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.