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Finding the Fourth Proportional to 480,099.82, 720,149.96 and 125,112.94

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Solution

The fourth proportional to 480,099.82, 720,149.96 and 125,112.94 is: 187,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,099.82 : 720,149.96 = 125,112.94 : x
  2. Step 2: Convert to fraction form
    480,099.82/720,149.96 = 125,112.94/x
  3. Step 3: Cross multiply
    480,099.82x = 720,149.96 × 125,112.94
  4. Step 4: Simplify right side
    480,099.82x = 90,100,075,448.51
  5. Step 5: Solve for x
    x = 90,100,075,448.51/480,099.82
  6. Step 6: Final answer
    x = 187,669.47

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1.5x scale

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.