Home / 371,399.48-512,533.42-218,444.14

Finding the Fourth Proportional to 371,399.48, 512,533.42 and 218,444.14

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Solution

The fourth proportional to 371,399.48, 512,533.42 and 218,444.14 is: 301,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,399.48 : 512,533.42 = 218,444.14 : x
  2. Step 2: Convert to fraction form
    371,399.48/512,533.42 = 218,444.14/x
  3. Step 3: Cross multiply
    371,399.48x = 512,533.42 × 218,444.14
  4. Step 4: Simplify right side
    371,399.48x = 111,959,923,476.46
  5. Step 5: Solve for x
    x = 111,959,923,476.46/371,399.48
  6. Step 6: Final answer
    x = 301,454.18

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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.