Home / 305,263.40-457,801.38-211,098.70

Finding the Fourth Proportional to 305,263.40, 457,801.38 and 211,098.70

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Solution

The fourth proportional to 305,263.40, 457,801.38 and 211,098.70 is: 316,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,263.40 : 457,801.38 = 211,098.70 : x
  2. Step 2: Convert to fraction form
    305,263.40/457,801.38 = 211,098.70/x
  3. Step 3: Cross multiply
    305,263.40x = 457,801.38 × 211,098.70
  4. Step 4: Simplify right side
    305,263.40x = 96,641,276,176.21
  5. Step 5: Solve for x
    x = 96,641,276,176.21/305,263.40
  6. Step 6: Final answer
    x = 316,583.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.