Home / 397,966.77-549,166.40-225,888.24

Finding the Fourth Proportional to 397,966.77, 549,166.40 and 225,888.24

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Solution

The fourth proportional to 397,966.77, 549,166.40 and 225,888.24 is: 311,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,966.77 : 549,166.40 = 225,888.24 : x
  2. Step 2: Convert to fraction form
    397,966.77/549,166.40 = 225,888.24/x
  3. Step 3: Cross multiply
    397,966.77x = 549,166.40 × 225,888.24
  4. Step 4: Simplify right side
    397,966.77x = 124,050,233,340.15
  5. Step 5: Solve for x
    x = 124,050,233,340.15/397,966.77
  6. Step 6: Final answer
    x = 311,710.03

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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.