Home / 331,681.02-457,732.14-188,465.28

Finding the Fourth Proportional to 331,681.02, 457,732.14 and 188,465.28

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Solution

The fourth proportional to 331,681.02, 457,732.14 and 188,465.28 is: 260,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,681.02 : 457,732.14 = 188,465.28 : x
  2. Step 2: Convert to fraction form
    331,681.02/457,732.14 = 188,465.28/x
  3. Step 3: Cross multiply
    331,681.02x = 457,732.14 × 188,465.28
  4. Step 4: Simplify right side
    331,681.02x = 86,266,615,930.10
  5. Step 5: Solve for x
    x = 86,266,615,930.10/331,681.02
  6. Step 6: Final answer
    x = 260,089.09

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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.