Home / 294,146.16-405,913.81-166,819.02

Finding the Fourth Proportional to 294,146.16, 405,913.81 and 166,819.02

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Solution

The fourth proportional to 294,146.16, 405,913.81 and 166,819.02 is: 230,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,146.16 : 405,913.81 = 166,819.02 : x
  2. Step 2: Convert to fraction form
    294,146.16/405,913.81 = 166,819.02/x
  3. Step 3: Cross multiply
    294,146.16x = 405,913.81 × 166,819.02
  4. Step 4: Simplify right side
    294,146.16x = 67,714,143,988.67
  5. Step 5: Solve for x
    x = 67,714,143,988.67/294,146.16
  6. Step 6: Final answer
    x = 230,205.77

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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.