Home / 300,252.56-414,417.72-198,298.16

Finding the Fourth Proportional to 300,252.56, 414,417.72 and 198,298.16

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Solution

The fourth proportional to 300,252.56, 414,417.72 and 198,298.16 is: 273,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,252.56 : 414,417.72 = 198,298.16 : x
  2. Step 2: Convert to fraction form
    300,252.56/414,417.72 = 198,298.16/x
  3. Step 3: Cross multiply
    300,252.56x = 414,417.72 × 198,298.16
  4. Step 4: Simplify right side
    300,252.56x = 82,178,271,347.40
  5. Step 5: Solve for x
    x = 82,178,271,347.40/300,252.56
  6. Step 6: Final answer
    x = 273,697.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.