Home / 355,986.80-534,349.35-238,479.29

Finding the Fourth Proportional to 355,986.80, 534,349.35 and 238,479.29

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Solution

The fourth proportional to 355,986.80, 534,349.35 and 238,479.29 is: 357,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,986.80 : 534,349.35 = 238,479.29 : x
  2. Step 2: Convert to fraction form
    355,986.80/534,349.35 = 238,479.29/x
  3. Step 3: Cross multiply
    355,986.80x = 534,349.35 × 238,479.29
  4. Step 4: Simplify right side
    355,986.80x = 127,431,249,735.82
  5. Step 5: Solve for x
    x = 127,431,249,735.82/355,986.80
  6. Step 6: Final answer
    x = 357,966.23

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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.