Home / 270,595.17-405,931.64-83,621.25

Finding the Fourth Proportional to 270,595.17, 405,931.64 and 83,621.25

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Solution

The fourth proportional to 270,595.17, 405,931.64 and 83,621.25 is: 125,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,595.17 : 405,931.64 = 83,621.25 : x
  2. Step 2: Convert to fraction form
    270,595.17/405,931.64 = 83,621.25/x
  3. Step 3: Cross multiply
    270,595.17x = 405,931.64 × 83,621.25
  4. Step 4: Simplify right side
    270,595.17x = 33,944,510,733.24
  5. Step 5: Solve for x
    x = 33,944,510,733.24/270,595.17
  6. Step 6: Final answer
    x = 125,443.89

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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.