Home / 306,562.15-423,092.60-185,699.89

Finding the Fourth Proportional to 306,562.15, 423,092.60 and 185,699.89

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Solution

The fourth proportional to 306,562.15, 423,092.60 and 185,699.89 is: 256,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,562.15 : 423,092.60 = 185,699.89 : x
  2. Step 2: Convert to fraction form
    306,562.15/423,092.60 = 185,699.89/x
  3. Step 3: Cross multiply
    306,562.15x = 423,092.60 × 185,699.89
  4. Step 4: Simplify right side
    306,562.15x = 78,568,249,279.81
  5. Step 5: Solve for x
    x = 78,568,249,279.81/306,562.15
  6. Step 6: Final answer
    x = 256,288.16

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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.