Home / 348,225.90-523,519.83-278,045.07

Finding the Fourth Proportional to 348,225.90, 523,519.83 and 278,045.07

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Solution

The fourth proportional to 348,225.90, 523,519.83 and 278,045.07 is: 418,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,225.90 : 523,519.83 = 278,045.07 : x
  2. Step 2: Convert to fraction form
    348,225.90/523,519.83 = 278,045.07/x
  3. Step 3: Cross multiply
    348,225.90x = 523,519.83 × 278,045.07
  4. Step 4: Simplify right side
    348,225.90x = 145,562,107,778.74
  5. Step 5: Solve for x
    x = 145,562,107,778.74/348,225.90
  6. Step 6: Final answer
    x = 418,010.57

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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.