Home / 251,513.10-377,307.18-83,051.28

Finding the Fourth Proportional to 251,513.10, 377,307.18 and 83,051.28

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Solution

The fourth proportional to 251,513.10, 377,307.18 and 83,051.28 is: 124,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,513.10 : 377,307.18 = 83,051.28 : x
  2. Step 2: Convert to fraction form
    251,513.10/377,307.18 = 83,051.28/x
  3. Step 3: Cross multiply
    251,513.10x = 377,307.18 × 83,051.28
  4. Step 4: Simplify right side
    251,513.10x = 31,335,844,252.19
  5. Step 5: Solve for x
    x = 31,335,844,252.19/251,513.10
  6. Step 6: Final answer
    x = 124,589.31

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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.