Home / 306,837.69-423,350.46-197,895.93

Finding the Fourth Proportional to 306,837.69, 423,350.46 and 197,895.93

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Solution

The fourth proportional to 306,837.69, 423,350.46 and 197,895.93 is: 273,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,837.69 : 423,350.46 = 197,895.93 : x
  2. Step 2: Convert to fraction form
    306,837.69/423,350.46 = 197,895.93/x
  3. Step 3: Cross multiply
    306,837.69x = 423,350.46 × 197,895.93
  4. Step 4: Simplify right side
    306,837.69x = 83,779,332,997.63
  5. Step 5: Solve for x
    x = 83,779,332,997.63/306,837.69
  6. Step 6: Final answer
    x = 273,041.21

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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.