Home / 275,760.24-380,539.08-168,509.76

Finding the Fourth Proportional to 275,760.24, 380,539.08 and 168,509.76

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Solution

The fourth proportional to 275,760.24, 380,539.08 and 168,509.76 is: 232,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,760.24 : 380,539.08 = 168,509.76 : x
  2. Step 2: Convert to fraction form
    275,760.24/380,539.08 = 168,509.76/x
  3. Step 3: Cross multiply
    275,760.24x = 380,539.08 × 168,509.76
  4. Step 4: Simplify right side
    275,760.24x = 64,124,549,041.42
  5. Step 5: Solve for x
    x = 64,124,549,041.42/275,760.24
  6. Step 6: Final answer
    x = 232,537.33

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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.