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Finding the Fourth Proportional to 657,469.83, 986,303.33 and 230,930.45

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Solution

The fourth proportional to 657,469.83, 986,303.33 and 230,930.45 is: 346,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,469.83 : 986,303.33 = 230,930.45 : x
  2. Step 2: Convert to fraction form
    657,469.83/986,303.33 = 230,930.45/x
  3. Step 3: Cross multiply
    657,469.83x = 986,303.33 × 230,930.45
  4. Step 4: Simplify right side
    657,469.83x = 227,767,471,833.40
  5. Step 5: Solve for x
    x = 227,767,471,833.40/657,469.83
  6. Step 6: Final answer
    x = 346,430.30

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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.