Home / 308,307.28-462,236.64-208,219.36

Finding the Fourth Proportional to 308,307.28, 462,236.64 and 208,219.36

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Solution

The fourth proportional to 308,307.28, 462,236.64 and 208,219.36 is: 312,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,307.28 : 462,236.64 = 208,219.36 : x
  2. Step 2: Convert to fraction form
    308,307.28/462,236.64 = 208,219.36/x
  3. Step 3: Cross multiply
    308,307.28x = 462,236.64 × 208,219.36
  4. Step 4: Simplify right side
    308,307.28x = 96,246,617,349.35
  5. Step 5: Solve for x
    x = 96,246,617,349.35/308,307.28
  6. Step 6: Final answer
    x = 312,177.57

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1.5x scale

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.