Home / 345,269.41-476,495.73-209,309.09

Finding the Fourth Proportional to 345,269.41, 476,495.73 and 209,309.09

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Solution

The fourth proportional to 345,269.41, 476,495.73 and 209,309.09 is: 288,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,269.41 : 476,495.73 = 209,309.09 : x
  2. Step 2: Convert to fraction form
    345,269.41/476,495.73 = 209,309.09/x
  3. Step 3: Cross multiply
    345,269.41x = 476,495.73 × 209,309.09
  4. Step 4: Simplify right side
    345,269.41x = 99,734,885,252.71
  5. Step 5: Solve for x
    x = 99,734,885,252.71/345,269.41
  6. Step 6: Final answer
    x = 288,861.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.