Home / 229,098.48-315,437.40-208,103.28

Finding the Fourth Proportional to 229,098.48, 315,437.40 and 208,103.28

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Solution

The fourth proportional to 229,098.48, 315,437.40 and 208,103.28 is: 286,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,098.48 : 315,437.40 = 208,103.28 : x
  2. Step 2: Convert to fraction form
    229,098.48/315,437.40 = 208,103.28/x
  3. Step 3: Cross multiply
    229,098.48x = 315,437.40 × 208,103.28
  4. Step 4: Simplify right side
    229,098.48x = 65,643,557,574.67
  5. Step 5: Solve for x
    x = 65,643,557,574.67/229,098.48
  6. Step 6: Final answer
    x = 286,529.87

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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.