Home / 300,011.14-450,017.15-122,518.16

Finding the Fourth Proportional to 300,011.14, 450,017.15 and 122,518.16

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Solution

The fourth proportional to 300,011.14, 450,017.15 and 122,518.16 is: 183,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,011.14 : 450,017.15 = 122,518.16 : x
  2. Step 2: Convert to fraction form
    300,011.14/450,017.15 = 122,518.16/x
  3. Step 3: Cross multiply
    300,011.14x = 450,017.15 × 122,518.16
  4. Step 4: Simplify right side
    300,011.14x = 55,135,272,584.53
  5. Step 5: Solve for x
    x = 55,135,272,584.53/300,011.14
  6. Step 6: Final answer
    x = 183,777.42

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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.