Home / 386,721.57-533,773.86-264,263.51

Finding the Fourth Proportional to 386,721.57, 533,773.86 and 264,263.51

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Solution

The fourth proportional to 386,721.57, 533,773.86 and 264,263.51 is: 364,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,721.57 : 533,773.86 = 264,263.51 : x
  2. Step 2: Convert to fraction form
    386,721.57/533,773.86 = 264,263.51/x
  3. Step 3: Cross multiply
    386,721.57x = 533,773.86 × 264,263.51
  4. Step 4: Simplify right side
    386,721.57x = 141,056,952,468.53
  5. Step 5: Solve for x
    x = 141,056,952,468.53/386,721.57
  6. Step 6: Final answer
    x = 364,750.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.