Home / 412,202.10-618,303.15-307,226.10

Finding the Fourth Proportional to 412,202.10, 618,303.15 and 307,226.10

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Solution

The fourth proportional to 412,202.10, 618,303.15 and 307,226.10 is: 460,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,202.10 : 618,303.15 = 307,226.10 : x
  2. Step 2: Convert to fraction form
    412,202.10/618,303.15 = 307,226.10/x
  3. Step 3: Cross multiply
    412,202.10x = 618,303.15 × 307,226.10
  4. Step 4: Simplify right side
    412,202.10x = 189,958,865,392.22
  5. Step 5: Solve for x
    x = 189,958,865,392.22/412,202.10
  6. Step 6: Final answer
    x = 460,839.15

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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.