Home / 281,603.16-388,618.02-174,171.24

Finding the Fourth Proportional to 281,603.16, 388,618.02 and 174,171.24

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Solution

The fourth proportional to 281,603.16, 388,618.02 and 174,171.24 is: 240,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,603.16 : 388,618.02 = 174,171.24 : x
  2. Step 2: Convert to fraction form
    281,603.16/388,618.02 = 174,171.24/x
  3. Step 3: Cross multiply
    281,603.16x = 388,618.02 × 174,171.24
  4. Step 4: Simplify right side
    281,603.16x = 67,686,082,429.74
  5. Step 5: Solve for x
    x = 67,686,082,429.74/281,603.16
  6. Step 6: Final answer
    x = 240,359.81

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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.