Home / 406,237.93-608,983.74-139,935.14

Finding the Fourth Proportional to 406,237.93, 608,983.74 and 139,935.14

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Solution

The fourth proportional to 406,237.93, 608,983.74 and 139,935.14 is: 209,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,237.93 : 608,983.74 = 139,935.14 : x
  2. Step 2: Convert to fraction form
    406,237.93/608,983.74 = 139,935.14/x
  3. Step 3: Cross multiply
    406,237.93x = 608,983.74 × 139,935.14
  4. Step 4: Simplify right side
    406,237.93x = 85,218,227,972.50
  5. Step 5: Solve for x
    x = 85,218,227,972.50/406,237.93
  6. Step 6: Final answer
    x = 209,774.18

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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.