Home / 283,199.58-390,822.84-154,146.60

Finding the Fourth Proportional to 283,199.58, 390,822.84 and 154,146.60

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Solution

The fourth proportional to 283,199.58, 390,822.84 and 154,146.60 is: 212,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,199.58 : 390,822.84 = 154,146.60 : x
  2. Step 2: Convert to fraction form
    283,199.58/390,822.84 = 154,146.60/x
  3. Step 3: Cross multiply
    283,199.58x = 390,822.84 × 154,146.60
  4. Step 4: Simplify right side
    283,199.58x = 60,244,011,988.34
  5. Step 5: Solve for x
    x = 60,244,011,988.34/283,199.58
  6. Step 6: Final answer
    x = 212,726.35

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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.