Home / 257,495.14-355,272.85-154,087.71

Finding the Fourth Proportional to 257,495.14, 355,272.85 and 154,087.71

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Solution

The fourth proportional to 257,495.14, 355,272.85 and 154,087.71 is: 212,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,495.14 : 355,272.85 = 154,087.71 : x
  2. Step 2: Convert to fraction form
    257,495.14/355,272.85 = 154,087.71/x
  3. Step 3: Cross multiply
    257,495.14x = 355,272.85 × 154,087.71
  4. Step 4: Simplify right side
    257,495.14x = 54,743,179,881.67
  5. Step 5: Solve for x
    x = 54,743,179,881.67/257,495.14
  6. Step 6: Final answer
    x = 212,598.89

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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.