Home / 388,933.02-536,724.39-216,848.94

Finding the Fourth Proportional to 388,933.02, 536,724.39 and 216,848.94

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Solution

The fourth proportional to 388,933.02, 536,724.39 and 216,848.94 is: 299,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,933.02 : 536,724.39 = 216,848.94 : x
  2. Step 2: Convert to fraction form
    388,933.02/536,724.39 = 216,848.94/x
  3. Step 3: Cross multiply
    388,933.02x = 536,724.39 × 216,848.94
  4. Step 4: Simplify right side
    388,933.02x = 116,388,115,043.65
  5. Step 5: Solve for x
    x = 116,388,115,043.65/388,933.02
  6. Step 6: Final answer
    x = 299,249.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.