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Finding the Fourth Proportional to 270,542.59, 405,809.76 and 93,051.13

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Solution

The fourth proportional to 270,542.59, 405,809.76 and 93,051.13 is: 139,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,542.59 : 405,809.76 = 93,051.13 : x
  2. Step 2: Convert to fraction form
    270,542.59/405,809.76 = 93,051.13/x
  3. Step 3: Cross multiply
    270,542.59x = 405,809.76 × 93,051.13
  4. Step 4: Simplify right side
    270,542.59x = 37,761,056,733.03
  5. Step 5: Solve for x
    x = 37,761,056,733.03/270,542.59
  6. Step 6: Final answer
    x = 139,575.28

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1.5x scale

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.