Home / 338,869.49-507,973.76-161,328.83

Finding the Fourth Proportional to 338,869.49, 507,973.76 and 161,328.83

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Solution

The fourth proportional to 338,869.49, 507,973.76 and 161,328.83 is: 241,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,869.49 : 507,973.76 = 161,328.83 : x
  2. Step 2: Convert to fraction form
    338,869.49/507,973.76 = 161,328.83/x
  3. Step 3: Cross multiply
    338,869.49x = 507,973.76 × 161,328.83
  4. Step 4: Simplify right side
    338,869.49x = 81,950,812,834.79
  5. Step 5: Solve for x
    x = 81,950,812,834.79/338,869.49
  6. Step 6: Final answer
    x = 241,835.91

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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.