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Finding the Fourth Proportional to 324,075.60, 485,967.60 and 124,329.60

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Solution

The fourth proportional to 324,075.60, 485,967.60 and 124,329.60 is: 186,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,075.60 : 485,967.60 = 124,329.60 : x
  2. Step 2: Convert to fraction form
    324,075.60/485,967.60 = 124,329.60/x
  3. Step 3: Cross multiply
    324,075.60x = 485,967.60 × 124,329.60
  4. Step 4: Simplify right side
    324,075.60x = 60,420,157,320.96
  5. Step 5: Solve for x
    x = 60,420,157,320.96/324,075.60
  6. Step 6: Final answer
    x = 186,438.46

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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.