Home / 221,036.34-331,056.02-154,772.30

Finding the Fourth Proportional to 221,036.34, 331,056.02 and 154,772.30

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Solution

The fourth proportional to 221,036.34, 331,056.02 and 154,772.30 is: 231,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,036.34 : 331,056.02 = 154,772.30 : x
  2. Step 2: Convert to fraction form
    221,036.34/331,056.02 = 154,772.30/x
  3. Step 3: Cross multiply
    221,036.34x = 331,056.02 × 154,772.30
  4. Step 4: Simplify right side
    221,036.34x = 51,238,301,644.25
  5. Step 5: Solve for x
    x = 51,238,301,644.25/221,036.34
  6. Step 6: Final answer
    x = 231,809.40

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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.