Home / 259,543.52-389,312.93-82,050.58

Finding the Fourth Proportional to 259,543.52, 389,312.93 and 82,050.58

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Solution

The fourth proportional to 259,543.52, 389,312.93 and 82,050.58 is: 123,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,543.52 : 389,312.93 = 82,050.58 : x
  2. Step 2: Convert to fraction form
    259,543.52/389,312.93 = 82,050.58/x
  3. Step 3: Cross multiply
    259,543.52x = 389,312.93 × 82,050.58
  4. Step 4: Simplify right side
    259,543.52x = 31,943,349,761.43
  5. Step 5: Solve for x
    x = 31,943,349,761.43/259,543.52
  6. Step 6: Final answer
    x = 123,075.12

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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.