Home / 649,071.36-973,699.18-199,829.57

Finding the Fourth Proportional to 649,071.36, 973,699.18 and 199,829.57

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Solution

The fourth proportional to 649,071.36, 973,699.18 and 199,829.57 is: 299,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,071.36 : 973,699.18 = 199,829.57 : x
  2. Step 2: Convert to fraction form
    649,071.36/973,699.18 = 199,829.57/x
  3. Step 3: Cross multiply
    649,071.36x = 973,699.18 × 199,829.57
  4. Step 4: Simplify right side
    649,071.36x = 194,573,883,080.68
  5. Step 5: Solve for x
    x = 194,573,883,080.68/649,071.36
  6. Step 6: Final answer
    x = 299,772.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.