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Finding the Fourth Proportional to 338,703.66, 507,960.63 and 102,011.94

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Solution

The fourth proportional to 338,703.66, 507,960.63 and 102,011.94 is: 152,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,703.66 : 507,960.63 = 102,011.94 : x
  2. Step 2: Convert to fraction form
    338,703.66/507,960.63 = 102,011.94/x
  3. Step 3: Cross multiply
    338,703.66x = 507,960.63 × 102,011.94
  4. Step 4: Simplify right side
    338,703.66x = 51,818,049,309.92
  5. Step 5: Solve for x
    x = 51,818,049,309.92/338,703.66
  6. Step 6: Final answer
    x = 152,989.34

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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.