Home / 242,839.70-364,587.60-154,266.20

Finding the Fourth Proportional to 242,839.70, 364,587.60 and 154,266.20

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Solution

The fourth proportional to 242,839.70, 364,587.60 and 154,266.20 is: 231,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,839.70 : 364,587.60 = 154,266.20 : x
  2. Step 2: Convert to fraction form
    242,839.70/364,587.60 = 154,266.20/x
  3. Step 3: Cross multiply
    242,839.70x = 364,587.60 × 154,266.20
  4. Step 4: Simplify right side
    242,839.70x = 56,243,543,619.12
  5. Step 5: Solve for x
    x = 56,243,543,619.12/242,839.70
  6. Step 6: Final answer
    x = 231,607.70

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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.