Home / 285,063.47-427,145.07-231,494.76

Finding the Fourth Proportional to 285,063.47, 427,145.07 and 231,494.76

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Solution

The fourth proportional to 285,063.47, 427,145.07 and 231,494.76 is: 346,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,063.47 : 427,145.07 = 231,494.76 : x
  2. Step 2: Convert to fraction form
    285,063.47/427,145.07 = 231,494.76/x
  3. Step 3: Cross multiply
    285,063.47x = 427,145.07 × 231,494.76
  4. Step 4: Simplify right side
    285,063.47x = 98,881,845,464.83
  5. Step 5: Solve for x
    x = 98,881,845,464.83/285,063.47
  6. Step 6: Final answer
    x = 346,876.60

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1.5x scale

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.