Home / 213,358.70-294,430.77-117,864.50

Finding the Fourth Proportional to 213,358.70, 294,430.77 and 117,864.50

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Solution

The fourth proportional to 213,358.70, 294,430.77 and 117,864.50 is: 162,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,358.70 : 294,430.77 = 117,864.50 : x
  2. Step 2: Convert to fraction form
    213,358.70/294,430.77 = 117,864.50/x
  3. Step 3: Cross multiply
    213,358.70x = 294,430.77 × 117,864.50
  4. Step 4: Simplify right side
    213,358.70x = 34,702,935,490.67
  5. Step 5: Solve for x
    x = 34,702,935,490.67/213,358.70
  6. Step 6: Final answer
    x = 162,650.67

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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.