Home / 388,962.06-536,766.84-210,114.06

Finding the Fourth Proportional to 388,962.06, 536,766.84 and 210,114.06

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Solution

The fourth proportional to 388,962.06, 536,766.84 and 210,114.06 is: 289,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,962.06 : 536,766.84 = 210,114.06 : x
  2. Step 2: Convert to fraction form
    388,962.06/536,766.84 = 210,114.06/x
  3. Step 3: Cross multiply
    388,962.06x = 536,766.84 × 210,114.06
  4. Step 4: Simplify right side
    388,962.06x = 112,782,260,025.77
  5. Step 5: Solve for x
    x = 112,782,260,025.77/388,962.06
  6. Step 6: Final answer
    x = 289,956.97

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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.