Home / 307,938.20-461,907.30-202,875.80

Finding the Fourth Proportional to 307,938.20, 461,907.30 and 202,875.80

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Solution

The fourth proportional to 307,938.20, 461,907.30 and 202,875.80 is: 304,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,938.20 : 461,907.30 = 202,875.80 : x
  2. Step 2: Convert to fraction form
    307,938.20/461,907.30 = 202,875.80/x
  3. Step 3: Cross multiply
    307,938.20x = 461,907.30 × 202,875.80
  4. Step 4: Simplify right side
    307,938.20x = 93,709,813,013.34
  5. Step 5: Solve for x
    x = 93,709,813,013.34/307,938.20
  6. Step 6: Final answer
    x = 304,313.70

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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.