Home / 348,069.80-521,715.90-148,356.20

Finding the Fourth Proportional to 348,069.80, 521,715.90 and 148,356.20

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Solution

The fourth proportional to 348,069.80, 521,715.90 and 148,356.20 is: 222,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,069.80 : 521,715.90 = 148,356.20 : x
  2. Step 2: Convert to fraction form
    348,069.80/521,715.90 = 148,356.20/x
  3. Step 3: Cross multiply
    348,069.80x = 521,715.90 × 148,356.20
  4. Step 4: Simplify right side
    348,069.80x = 77,399,788,403.58
  5. Step 5: Solve for x
    x = 77,399,788,403.58/348,069.80
  6. Step 6: Final answer
    x = 222,368.58

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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.