Home / 364,835.31-502,358.10-330,621.11

Finding the Fourth Proportional to 364,835.31, 502,358.10 and 330,621.11

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Solution

The fourth proportional to 364,835.31, 502,358.10 and 330,621.11 is: 455,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,835.31 : 502,358.10 = 330,621.11 : x
  2. Step 2: Convert to fraction form
    364,835.31/502,358.10 = 330,621.11/x
  3. Step 3: Cross multiply
    364,835.31x = 502,358.10 × 330,621.11
  4. Step 4: Simplify right side
    364,835.31x = 166,090,192,631.46
  5. Step 5: Solve for x
    x = 166,090,192,631.46/364,835.31
  6. Step 6: Final answer
    x = 455,247.04

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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.