Home / 309,541.04-463,689.48-161,486

Finding the Fourth Proportional to 309,541.04, 463,689.48 and 161,486

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Solution

The fourth proportional to 309,541.04, 463,689.48 and 161,486 is: 241,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,541.04 : 463,689.48 = 161,486 : x
  2. Step 2: Convert to fraction form
    309,541.04/463,689.48 = 161,486/x
  3. Step 3: Cross multiply
    309,541.04x = 463,689.48 × 161,486
  4. Step 4: Simplify right side
    309,541.04x = 74,879,359,367.28
  5. Step 5: Solve for x
    x = 74,879,359,367.28/309,541.04
  6. Step 6: Final answer
    x = 241,904.46

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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.