Home / 388,528.93-582,886.68-148,638.88

Finding the Fourth Proportional to 388,528.93, 582,886.68 and 148,638.88

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Solution

The fourth proportional to 388,528.93, 582,886.68 and 148,638.88 is: 222,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,528.93 : 582,886.68 = 148,638.88 : x
  2. Step 2: Convert to fraction form
    388,528.93/582,886.68 = 148,638.88/x
  3. Step 3: Cross multiply
    388,528.93x = 582,886.68 × 148,638.88
  4. Step 4: Simplify right side
    388,528.93x = 86,639,623,282.12
  5. Step 5: Solve for x
    x = 86,639,623,282.12/388,528.93
  6. Step 6: Final answer
    x = 222,994.01

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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.