Home / 412,053.04-618,257.18-222,475.78

Finding the Fourth Proportional to 412,053.04, 618,257.18 and 222,475.78

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Solution

The fourth proportional to 412,053.04, 618,257.18 and 222,475.78 is: 333,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,053.04 : 618,257.18 = 222,475.78 : x
  2. Step 2: Convert to fraction form
    412,053.04/618,257.18 = 222,475.78/x
  3. Step 3: Cross multiply
    412,053.04x = 618,257.18 × 222,475.78
  4. Step 4: Simplify right side
    412,053.04x = 137,547,248,361.10
  5. Step 5: Solve for x
    x = 137,547,248,361.10/412,053.04
  6. Step 6: Final answer
    x = 333,809.57

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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.