Home / 356,270.04-491,655.94-243,090.36

Finding the Fourth Proportional to 356,270.04, 491,655.94 and 243,090.36

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Solution

The fourth proportional to 356,270.04, 491,655.94 and 243,090.36 is: 335,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,270.04 : 491,655.94 = 243,090.36 : x
  2. Step 2: Convert to fraction form
    356,270.04/491,655.94 = 243,090.36/x
  3. Step 3: Cross multiply
    356,270.04x = 491,655.94 × 243,090.36
  4. Step 4: Simplify right side
    356,270.04x = 119,516,819,450.74
  5. Step 5: Solve for x
    x = 119,516,819,450.74/356,270.04
  6. Step 6: Final answer
    x = 335,466.94

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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.