Home / 283,093.06-390,671.16-155,771.39

Finding the Fourth Proportional to 283,093.06, 390,671.16 and 155,771.39

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Solution

The fourth proportional to 283,093.06, 390,671.16 and 155,771.39 is: 214,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,093.06 : 390,671.16 = 155,771.39 : x
  2. Step 2: Convert to fraction form
    283,093.06/390,671.16 = 155,771.39/x
  3. Step 3: Cross multiply
    283,093.06x = 390,671.16 × 155,771.39
  4. Step 4: Simplify right side
    283,093.06x = 60,855,389,626.11
  5. Step 5: Solve for x
    x = 60,855,389,626.11/283,093.06
  6. Step 6: Final answer
    x = 214,966.02

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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.