Home / 286,029.88-393,321.54-248,238.52

Finding the Fourth Proportional to 286,029.88, 393,321.54 and 248,238.52

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Solution

The fourth proportional to 286,029.88, 393,321.54 and 248,238.52 is: 341,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,029.88 : 393,321.54 = 248,238.52 : x
  2. Step 2: Convert to fraction form
    286,029.88/393,321.54 = 248,238.52/x
  3. Step 3: Cross multiply
    286,029.88x = 393,321.54 × 248,238.52
  4. Step 4: Simplify right side
    286,029.88x = 97,637,556,973.72
  5. Step 5: Solve for x
    x = 97,637,556,973.72/286,029.88
  6. Step 6: Final answer
    x = 341,354.40

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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.