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Finding the Fourth Proportional to 245,335, 367,909.09 and 161,072.62

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Solution

The fourth proportional to 245,335, 367,909.09 and 161,072.62 is: 241,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,335 : 367,909.09 = 161,072.62 : x
  2. Step 2: Convert to fraction form
    245,335/367,909.09 = 161,072.62/x
  3. Step 3: Cross multiply
    245,335x = 367,909.09 × 161,072.62
  4. Step 4: Simplify right side
    245,335x = 59,260,081,048.12
  5. Step 5: Solve for x
    x = 59,260,081,048.12/245,335
  6. Step 6: Final answer
    x = 241,547.60

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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.