Home / 646,933.40-970,227.30-197,653.40

Finding the Fourth Proportional to 646,933.40, 970,227.30 and 197,653.40

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Solution

The fourth proportional to 646,933.40, 970,227.30 and 197,653.40 is: 296,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,933.40 : 970,227.30 = 197,653.40 : x
  2. Step 2: Convert to fraction form
    646,933.40/970,227.30 = 197,653.40/x
  3. Step 3: Cross multiply
    646,933.40x = 970,227.30 × 197,653.40
  4. Step 4: Simplify right side
    646,933.40x = 191,768,724,617.82
  5. Step 5: Solve for x
    x = 191,768,724,617.82/646,933.40
  6. Step 6: Final answer
    x = 296,427.31

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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.