Home / 205,623.36-308,316.32-63,430.46

Finding the Fourth Proportional to 205,623.36, 308,316.32 and 63,430.46

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Solution

The fourth proportional to 205,623.36, 308,316.32 and 63,430.46 is: 95,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,623.36 : 308,316.32 = 63,430.46 : x
  2. Step 2: Convert to fraction form
    205,623.36/308,316.32 = 63,430.46/x
  3. Step 3: Cross multiply
    205,623.36x = 308,316.32 × 63,430.46
  4. Step 4: Simplify right side
    205,623.36x = 19,556,645,895.22
  5. Step 5: Solve for x
    x = 19,556,645,895.22/205,623.36
  6. Step 6: Final answer
    x = 95,109.07

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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.