Home / 362,140.51-543,222.18-172,621.47

Finding the Fourth Proportional to 362,140.51, 543,222.18 and 172,621.47

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Solution

The fourth proportional to 362,140.51, 543,222.18 and 172,621.47 is: 258,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.51 : 543,222.18 = 172,621.47 : x
  2. Step 2: Convert to fraction form
    362,140.51/543,222.18 = 172,621.47/x
  3. Step 3: Cross multiply
    362,140.51x = 543,222.18 × 172,621.47
  4. Step 4: Simplify right side
    362,140.51x = 93,771,811,248.20
  5. Step 5: Solve for x
    x = 93,771,811,248.20/362,140.51
  6. Step 6: Final answer
    x = 258,937.65

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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.