Home / 540,621.47-811,048.57-161,573.02

Finding the Fourth Proportional to 540,621.47, 811,048.57 and 161,573.02

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Solution

The fourth proportional to 540,621.47, 811,048.57 and 161,573.02 is: 242,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,621.47 : 811,048.57 = 161,573.02 : x
  2. Step 2: Convert to fraction form
    540,621.47/811,048.57 = 161,573.02/x
  3. Step 3: Cross multiply
    540,621.47x = 811,048.57 × 161,573.02
  4. Step 4: Simplify right side
    540,621.47x = 131,043,564,390.03
  5. Step 5: Solve for x
    x = 131,043,564,390.03/540,621.47
  6. Step 6: Final answer
    x = 242,394.30

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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.