Home / 257,030.08-385,637.36-114,863.45

Finding the Fourth Proportional to 257,030.08, 385,637.36 and 114,863.45

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Solution

The fourth proportional to 257,030.08, 385,637.36 and 114,863.45 is: 172,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,030.08 : 385,637.36 = 114,863.45 : x
  2. Step 2: Convert to fraction form
    257,030.08/385,637.36 = 114,863.45/x
  3. Step 3: Cross multiply
    257,030.08x = 385,637.36 × 114,863.45
  4. Step 4: Simplify right side
    257,030.08x = 44,295,635,115.99
  5. Step 5: Solve for x
    x = 44,295,635,115.99/257,030.08
  6. Step 6: Final answer
    x = 172,336.39

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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.