Home / 608,736.16-913,228.78-209,325.06

Finding the Fourth Proportional to 608,736.16, 913,228.78 and 209,325.06

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Solution

The fourth proportional to 608,736.16, 913,228.78 and 209,325.06 is: 314,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736.16 : 913,228.78 = 209,325.06 : x
  2. Step 2: Convert to fraction form
    608,736.16/913,228.78 = 209,325.06/x
  3. Step 3: Cross multiply
    608,736.16x = 913,228.78 × 209,325.06
  4. Step 4: Simplify right side
    608,736.16x = 191,161,669,036.40
  5. Step 5: Solve for x
    x = 191,161,669,036.40/608,736.16
  6. Step 6: Final answer
    x = 314,030.41

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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.