Home / 412,442.43-618,762.06-146,226.21

Finding the Fourth Proportional to 412,442.43, 618,762.06 and 146,226.21

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Solution

The fourth proportional to 412,442.43, 618,762.06 and 146,226.21 is: 219,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,442.43 : 618,762.06 = 146,226.21 : x
  2. Step 2: Convert to fraction form
    412,442.43/618,762.06 = 146,226.21/x
  3. Step 3: Cross multiply
    412,442.43x = 618,762.06 × 146,226.21
  4. Step 4: Simplify right side
    412,442.43x = 90,479,230,925.59
  5. Step 5: Solve for x
    x = 90,479,230,925.59/412,442.43
  6. Step 6: Final answer
    x = 219,374.21

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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.