Home / 499,531.16-689,342.72-273,176.66

Finding the Fourth Proportional to 499,531.16, 689,342.72 and 273,176.66

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Solution

The fourth proportional to 499,531.16, 689,342.72 and 273,176.66 is: 376,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,531.16 : 689,342.72 = 273,176.66 : x
  2. Step 2: Convert to fraction form
    499,531.16/689,342.72 = 273,176.66/x
  3. Step 3: Cross multiply
    499,531.16x = 689,342.72 × 273,176.66
  4. Step 4: Simplify right side
    499,531.16x = 188,312,337,032.32
  5. Step 5: Solve for x
    x = 188,312,337,032.32/499,531.16
  6. Step 6: Final answer
    x = 376,978.16

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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.