Home / 349,477.20-523,428.48-208,941.12

Finding the Fourth Proportional to 349,477.20, 523,428.48 and 208,941.12

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Solution

The fourth proportional to 349,477.20, 523,428.48 and 208,941.12 is: 312,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,477.20 : 523,428.48 = 208,941.12 : x
  2. Step 2: Convert to fraction form
    349,477.20/523,428.48 = 208,941.12/x
  3. Step 3: Cross multiply
    349,477.20x = 523,428.48 × 208,941.12
  4. Step 4: Simplify right side
    349,477.20x = 109,365,732,851.10
  5. Step 5: Solve for x
    x = 109,365,732,851.10/349,477.20
  6. Step 6: Final answer
    x = 312,940.97

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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.