Home / 356,269.04-491,654.56-243,089.36

Finding the Fourth Proportional to 356,269.04, 491,654.56 and 243,089.36

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Solution

The fourth proportional to 356,269.04, 491,654.56 and 243,089.36 is: 335,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,269.04 : 491,654.56 = 243,089.36 : x
  2. Step 2: Convert to fraction form
    356,269.04/491,654.56 = 243,089.36/x
  3. Step 3: Cross multiply
    356,269.04x = 491,654.56 × 243,089.36
  4. Step 4: Simplify right side
    356,269.04x = 119,515,992,331.48
  5. Step 5: Solve for x
    x = 119,515,992,331.48/356,269.04
  6. Step 6: Final answer
    x = 335,465.56

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1.5x scale

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.