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Finding the Fourth Proportional to 608,347.87, 912,583.67 and 208,936.67

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Solution

The fourth proportional to 608,347.87, 912,583.67 and 208,936.67 is: 313,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,347.87 : 912,583.67 = 208,936.67 : x
  2. Step 2: Convert to fraction form
    608,347.87/912,583.67 = 208,936.67/x
  3. Step 3: Cross multiply
    608,347.87x = 912,583.67 × 208,936.67
  4. Step 4: Simplify right side
    608,347.87x = 190,672,187,498.58
  5. Step 5: Solve for x
    x = 190,672,187,498.58/608,347.87
  6. Step 6: Final answer
    x = 313,426.24

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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.