Home / 217,535.70-300,254.45-148,653.06

Finding the Fourth Proportional to 217,535.70, 300,254.45 and 148,653.06

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Solution

The fourth proportional to 217,535.70, 300,254.45 and 148,653.06 is: 205,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,535.70 : 300,254.45 = 148,653.06 : x
  2. Step 2: Convert to fraction form
    217,535.70/300,254.45 = 148,653.06/x
  3. Step 3: Cross multiply
    217,535.70x = 300,254.45 × 148,653.06
  4. Step 4: Simplify right side
    217,535.70x = 44,633,742,590.83
  5. Step 5: Solve for x
    x = 44,633,742,590.83/217,535.70
  6. Step 6: Final answer
    x = 205,178.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.