Home / 361,870.23-499,371.27-208,903.25

Finding the Fourth Proportional to 361,870.23, 499,371.27 and 208,903.25

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Solution

The fourth proportional to 361,870.23, 499,371.27 and 208,903.25 is: 288,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,870.23 : 499,371.27 = 208,903.25 : x
  2. Step 2: Convert to fraction form
    361,870.23/499,371.27 = 208,903.25/x
  3. Step 3: Cross multiply
    361,870.23x = 499,371.27 × 208,903.25
  4. Step 4: Simplify right side
    361,870.23x = 104,320,278,762.77
  5. Step 5: Solve for x
    x = 104,320,278,762.77/361,870.23
  6. Step 6: Final answer
    x = 288,280.91

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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.