Home / 245,795.56-339,248.12-155,090.42

Finding the Fourth Proportional to 245,795.56, 339,248.12 and 155,090.42

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Solution

The fourth proportional to 245,795.56, 339,248.12 and 155,090.42 is: 214,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,795.56 : 339,248.12 = 155,090.42 : x
  2. Step 2: Convert to fraction form
    245,795.56/339,248.12 = 155,090.42/x
  3. Step 3: Cross multiply
    245,795.56x = 339,248.12 × 155,090.42
  4. Step 4: Simplify right side
    245,795.56x = 52,614,134,478.21
  5. Step 5: Solve for x
    x = 52,614,134,478.21/245,795.56
  6. Step 6: Final answer
    x = 214,056.49

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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.