Home / 397,799.04-549,166.05-306,951.06

Finding the Fourth Proportional to 397,799.04, 549,166.05 and 306,951.06

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Solution

The fourth proportional to 397,799.04, 549,166.05 and 306,951.06 is: 423,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,799.04 : 549,166.05 = 306,951.06 : x
  2. Step 2: Convert to fraction form
    397,799.04/549,166.05 = 306,951.06/x
  3. Step 3: Cross multiply
    397,799.04x = 549,166.05 × 306,951.06
  4. Step 4: Simplify right side
    397,799.04x = 168,567,101,163.51
  5. Step 5: Solve for x
    x = 168,567,101,163.51/397,799.04
  6. Step 6: Final answer
    x = 423,749.39

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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.