Home / 219,929.68-303,412.72-133,819.62

Finding the Fourth Proportional to 219,929.68, 303,412.72 and 133,819.62

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Solution

The fourth proportional to 219,929.68, 303,412.72 and 133,819.62 is: 184,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,929.68 : 303,412.72 = 133,819.62 : x
  2. Step 2: Convert to fraction form
    219,929.68/303,412.72 = 133,819.62/x
  3. Step 3: Cross multiply
    219,929.68x = 303,412.72 × 133,819.62
  4. Step 4: Simplify right side
    219,929.68x = 40,602,574,893.57
  5. Step 5: Solve for x
    x = 40,602,574,893.57/219,929.68
  6. Step 6: Final answer
    x = 184,616.17

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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.