Home / 608,742.36-913,238.08-209,331.24

Finding the Fourth Proportional to 608,742.36, 913,238.08 and 209,331.24

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Solution

The fourth proportional to 608,742.36, 913,238.08 and 209,331.24 is: 314,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,742.36 : 913,238.08 = 209,331.24 : x
  2. Step 2: Convert to fraction form
    608,742.36/913,238.08 = 209,331.24/x
  3. Step 3: Cross multiply
    608,742.36x = 913,238.08 × 209,331.24
  4. Step 4: Simplify right side
    608,742.36x = 191,169,259,701.62
  5. Step 5: Solve for x
    x = 191,169,259,701.62/608,742.36
  6. Step 6: Final answer
    x = 314,039.69

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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.