Home / 303,406.17-455,312.42-125,913.35

Finding the Fourth Proportional to 303,406.17, 455,312.42 and 125,913.35

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Solution

The fourth proportional to 303,406.17, 455,312.42 and 125,913.35 is: 188,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,406.17 : 455,312.42 = 125,913.35 : x
  2. Step 2: Convert to fraction form
    303,406.17/455,312.42 = 125,913.35/x
  3. Step 3: Cross multiply
    303,406.17x = 455,312.42 × 125,913.35
  4. Step 4: Simplify right side
    303,406.17x = 57,329,909,192.68
  5. Step 5: Solve for x
    x = 57,329,909,192.68/303,406.17
  6. Step 6: Final answer
    x = 188,954.33

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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.