Home / 355,586.04-490,709.20-202,617.52

Finding the Fourth Proportional to 355,586.04, 490,709.20 and 202,617.52

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Solution

The fourth proportional to 355,586.04, 490,709.20 and 202,617.52 is: 279,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,586.04 : 490,709.20 = 202,617.52 : x
  2. Step 2: Convert to fraction form
    355,586.04/490,709.20 = 202,617.52/x
  3. Step 3: Cross multiply
    355,586.04x = 490,709.20 × 202,617.52
  4. Step 4: Simplify right side
    355,586.04x = 99,426,281,145.18
  5. Step 5: Solve for x
    x = 99,426,281,145.18/355,586.04
  6. Step 6: Final answer
    x = 279,612.44

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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.