Home / 345,273.34-476,501.16-209,313.02

Finding the Fourth Proportional to 345,273.34, 476,501.16 and 209,313.02

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Solution

The fourth proportional to 345,273.34, 476,501.16 and 209,313.02 is: 288,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,273.34 : 476,501.16 = 209,313.02 : x
  2. Step 2: Convert to fraction form
    345,273.34/476,501.16 = 209,313.02/x
  3. Step 3: Cross multiply
    345,273.34x = 476,501.16 × 209,313.02
  4. Step 4: Simplify right side
    345,273.34x = 99,737,894,450.60
  5. Step 5: Solve for x
    x = 99,737,894,450.60/345,273.34
  6. Step 6: Final answer
    x = 288,866.48

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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.