Home / 279,565.09-385,804.22-152,240.58

Finding the Fourth Proportional to 279,565.09, 385,804.22 and 152,240.58

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Solution

The fourth proportional to 279,565.09, 385,804.22 and 152,240.58 is: 210,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,565.09 : 385,804.22 = 152,240.58 : x
  2. Step 2: Convert to fraction form
    279,565.09/385,804.22 = 152,240.58/x
  3. Step 3: Cross multiply
    279,565.09x = 385,804.22 × 152,240.58
  4. Step 4: Simplify right side
    279,565.09x = 58,735,057,458.04
  5. Step 5: Solve for x
    x = 58,735,057,458.04/279,565.09
  6. Step 6: Final answer
    x = 210,094.39

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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.