Home / 425,251.80-637,877.70-245,890.46

Finding the Fourth Proportional to 425,251.80, 637,877.70 and 245,890.46

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Solution

The fourth proportional to 425,251.80, 637,877.70 and 245,890.46 is: 368,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,251.80 : 637,877.70 = 245,890.46 : x
  2. Step 2: Convert to fraction form
    425,251.80/637,877.70 = 245,890.46/x
  3. Step 3: Cross multiply
    425,251.80x = 637,877.70 × 245,890.46
  4. Step 4: Simplify right side
    425,251.80x = 156,848,042,671.44
  5. Step 5: Solve for x
    x = 156,848,042,671.44/425,251.80
  6. Step 6: Final answer
    x = 368,835.69

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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.