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Finding the Fourth Proportional to 270,642.48, 373,312.44 and 185,806.32

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Solution

The fourth proportional to 270,642.48, 373,312.44 and 185,806.32 is: 256,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,642.48 : 373,312.44 = 185,806.32 : x
  2. Step 2: Convert to fraction form
    270,642.48/373,312.44 = 185,806.32/x
  3. Step 3: Cross multiply
    270,642.48x = 373,312.44 × 185,806.32
  4. Step 4: Simplify right side
    270,642.48x = 69,363,810,686.62
  5. Step 5: Solve for x
    x = 69,363,810,686.62/270,642.48
  6. Step 6: Final answer
    x = 256,293.14

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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.