Home / 345,526.73-518,316.33-117,751.56

Finding the Fourth Proportional to 345,526.73, 518,316.33 and 117,751.56

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Solution

The fourth proportional to 345,526.73, 518,316.33 and 117,751.56 is: 176,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,526.73 : 518,316.33 = 117,751.56 : x
  2. Step 2: Convert to fraction form
    345,526.73/518,316.33 = 117,751.56/x
  3. Step 3: Cross multiply
    345,526.73x = 518,316.33 × 117,751.56
  4. Step 4: Simplify right side
    345,526.73x = 61,032,556,430.97
  5. Step 5: Solve for x
    x = 61,032,556,430.97/345,526.73
  6. Step 6: Final answer
    x = 176,636.28

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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.