Home / 411,038.04-616,906.98-161,895

Finding the Fourth Proportional to 411,038.04, 616,906.98 and 161,895

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Solution

The fourth proportional to 411,038.04, 616,906.98 and 161,895 is: 242,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,038.04 : 616,906.98 = 161,895 : x
  2. Step 2: Convert to fraction form
    411,038.04/616,906.98 = 161,895/x
  3. Step 3: Cross multiply
    411,038.04x = 616,906.98 × 161,895
  4. Step 4: Simplify right side
    411,038.04x = 99,874,155,527.10
  5. Step 5: Solve for x
    x = 99,874,155,527.10/411,038.04
  6. Step 6: Final answer
    x = 242,980.32

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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.