Home / 397,821.04-549,004.62-216,544.66

Finding the Fourth Proportional to 397,821.04, 549,004.62 and 216,544.66

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Solution

The fourth proportional to 397,821.04, 549,004.62 and 216,544.66 is: 298,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,821.04 : 549,004.62 = 216,544.66 : x
  2. Step 2: Convert to fraction form
    397,821.04/549,004.62 = 216,544.66/x
  3. Step 3: Cross multiply
    397,821.04x = 549,004.62 × 216,544.66
  4. Step 4: Simplify right side
    397,821.04x = 118,884,018,215.86
  5. Step 5: Solve for x
    x = 118,884,018,215.86/397,821.04
  6. Step 6: Final answer
    x = 298,837.94

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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.