Home / 387,829.74-534,763.77-273,071.70

Finding the Fourth Proportional to 387,829.74, 534,763.77 and 273,071.70

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Solution

The fourth proportional to 387,829.74, 534,763.77 and 273,071.70 is: 376,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,829.74 : 534,763.77 = 273,071.70 : x
  2. Step 2: Convert to fraction form
    387,829.74/534,763.77 = 273,071.70/x
  3. Step 3: Cross multiply
    387,829.74x = 534,763.77 × 273,071.70
  4. Step 4: Simplify right side
    387,829.74x = 146,028,851,772.31
  5. Step 5: Solve for x
    x = 146,028,851,772.31/387,829.74
  6. Step 6: Final answer
    x = 376,528.25

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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.