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Finding the Fourth Proportional to 360,556.98, 540,866.16 and 94,317.09

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Solution

The fourth proportional to 360,556.98, 540,866.16 and 94,317.09 is: 141,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,556.98 : 540,866.16 = 94,317.09 : x
  2. Step 2: Convert to fraction form
    360,556.98/540,866.16 = 94,317.09/x
  3. Step 3: Cross multiply
    360,556.98x = 540,866.16 × 94,317.09
  4. Step 4: Simplify right side
    360,556.98x = 51,012,922,290.67
  5. Step 5: Solve for x
    x = 51,012,922,290.67/360,556.98
  6. Step 6: Final answer
    x = 141,483.66

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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.