Home / 285,454.35-393,028.26-242,348.58

Finding the Fourth Proportional to 285,454.35, 393,028.26 and 242,348.58

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Solution

The fourth proportional to 285,454.35, 393,028.26 and 242,348.58 is: 333,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,454.35 : 393,028.26 = 242,348.58 : x
  2. Step 2: Convert to fraction form
    285,454.35/393,028.26 = 242,348.58/x
  3. Step 3: Cross multiply
    285,454.35x = 393,028.26 × 242,348.58
  4. Step 4: Simplify right side
    285,454.35x = 95,249,840,710.87
  5. Step 5: Solve for x
    x = 95,249,840,710.87/285,454.35
  6. Step 6: Final answer
    x = 333,678.01

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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.