Home / 258,100.16-356,216.80-157,556.48

Finding the Fourth Proportional to 258,100.16, 356,216.80 and 157,556.48

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Solution

The fourth proportional to 258,100.16, 356,216.80 and 157,556.48 is: 217,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,100.16 : 356,216.80 = 157,556.48 : x
  2. Step 2: Convert to fraction form
    258,100.16/356,216.80 = 157,556.48/x
  3. Step 3: Cross multiply
    258,100.16x = 356,216.80 × 157,556.48
  4. Step 4: Simplify right side
    258,100.16x = 56,124,265,124.86
  5. Step 5: Solve for x
    x = 56,124,265,124.86/258,100.16
  6. Step 6: Final answer
    x = 217,451.49

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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.