Home / 402,405.12-603,046.26-302,448.24

Finding the Fourth Proportional to 402,405.12, 603,046.26 and 302,448.24

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Solution

The fourth proportional to 402,405.12, 603,046.26 and 302,448.24 is: 453,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,405.12 : 603,046.26 = 302,448.24 : x
  2. Step 2: Convert to fraction form
    402,405.12/603,046.26 = 302,448.24/x
  3. Step 3: Cross multiply
    402,405.12x = 603,046.26 × 302,448.24
  4. Step 4: Simplify right side
    402,405.12x = 182,390,279,975.58
  5. Step 5: Solve for x
    x = 182,390,279,975.58/402,405.12
  6. Step 6: Final answer
    x = 453,250.40

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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.