Home / 268,539.72-370,556.10-155,341.32

Finding the Fourth Proportional to 268,539.72, 370,556.10 and 155,341.32

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Solution

The fourth proportional to 268,539.72, 370,556.10 and 155,341.32 is: 214,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,539.72 : 370,556.10 = 155,341.32 : x
  2. Step 2: Convert to fraction form
    268,539.72/370,556.10 = 155,341.32/x
  3. Step 3: Cross multiply
    268,539.72x = 370,556.10 × 155,341.32
  4. Step 4: Simplify right side
    268,539.72x = 57,562,673,708.05
  5. Step 5: Solve for x
    x = 57,562,673,708.05/268,539.72
  6. Step 6: Final answer
    x = 214,354.41

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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.