Home / 229,439.76-344,166.42-109,509.35

Finding the Fourth Proportional to 229,439.76, 344,166.42 and 109,509.35

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Solution

The fourth proportional to 229,439.76, 344,166.42 and 109,509.35 is: 164,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,439.76 : 344,166.42 = 109,509.35 : x
  2. Step 2: Convert to fraction form
    229,439.76/344,166.42 = 109,509.35/x
  3. Step 3: Cross multiply
    229,439.76x = 344,166.42 × 109,509.35
  4. Step 4: Simplify right side
    229,439.76x = 37,689,440,946.03
  5. Step 5: Solve for x
    x = 37,689,440,946.03/229,439.76
  6. Step 6: Final answer
    x = 164,267.26

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1.5x scale

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.