Home / 388,932.02-536,723.01-216,847.94

Finding the Fourth Proportional to 388,932.02, 536,723.01 and 216,847.94

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Solution

The fourth proportional to 388,932.02, 536,723.01 and 216,847.94 is: 299,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,932.02 : 536,723.01 = 216,847.94 : x
  2. Step 2: Convert to fraction form
    388,932.02/536,723.01 = 216,847.94/x
  3. Step 3: Cross multiply
    388,932.02x = 536,723.01 × 216,847.94
  4. Step 4: Simplify right side
    388,932.02x = 116,387,279,069.10
  5. Step 5: Solve for x
    x = 116,387,279,069.10/388,932.02
  6. Step 6: Final answer
    x = 299,248.39

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1.5x scale

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.