Home / 286,295.48-395,085.60-158,971.52

Finding the Fourth Proportional to 286,295.48, 395,085.60 and 158,971.52

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Solution

The fourth proportional to 286,295.48, 395,085.60 and 158,971.52 is: 219,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,295.48 : 395,085.60 = 158,971.52 : x
  2. Step 2: Convert to fraction form
    286,295.48/395,085.60 = 158,971.52/x
  3. Step 3: Cross multiply
    286,295.48x = 395,085.60 × 158,971.52
  4. Step 4: Simplify right side
    286,295.48x = 62,807,358,362.11
  5. Step 5: Solve for x
    x = 62,807,358,362.11/286,295.48
  6. Step 6: Final answer
    x = 219,379.50

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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.