Home / 256,268.16-353,556.36-160,740

Finding the Fourth Proportional to 256,268.16, 353,556.36 and 160,740

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Solution

The fourth proportional to 256,268.16, 353,556.36 and 160,740 is: 221,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,268.16 : 353,556.36 = 160,740 : x
  2. Step 2: Convert to fraction form
    256,268.16/353,556.36 = 160,740/x
  3. Step 3: Cross multiply
    256,268.16x = 353,556.36 × 160,740
  4. Step 4: Simplify right side
    256,268.16x = 56,830,649,306.40
  5. Step 5: Solve for x
    x = 56,830,649,306.40/256,268.16
  6. Step 6: Final answer
    x = 221,762.43

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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.