Home / 386,536.17-579,858.95-120,323.59

Finding the Fourth Proportional to 386,536.17, 579,858.95 and 120,323.59

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Solution

The fourth proportional to 386,536.17, 579,858.95 and 120,323.59 is: 180,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,536.17 : 579,858.95 = 120,323.59 : x
  2. Step 2: Convert to fraction form
    386,536.17/579,858.95 = 120,323.59/x
  3. Step 3: Cross multiply
    386,536.17x = 579,858.95 × 120,323.59
  4. Step 4: Simplify right side
    386,536.17x = 69,770,710,557.63
  5. Step 5: Solve for x
    x = 69,770,710,557.63/386,536.17
  6. Step 6: Final answer
    x = 180,502.41

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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.