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Finding the Fourth Proportional to 300,130.88, 450,030.12 and 122,762.44

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Solution

The fourth proportional to 300,130.88, 450,030.12 and 122,762.44 is: 184,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,130.88 : 450,030.12 = 122,762.44 : x
  2. Step 2: Convert to fraction form
    300,130.88/450,030.12 = 122,762.44/x
  3. Step 3: Cross multiply
    300,130.88x = 450,030.12 × 122,762.44
  4. Step 4: Simplify right side
    300,130.88x = 55,246,795,604.69
  5. Step 5: Solve for x
    x = 55,246,795,604.69/300,130.88
  6. Step 6: Final answer
    x = 184,075.68

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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.