Home / 219,455.06-302,726.72-178,663.07

Finding the Fourth Proportional to 219,455.06, 302,726.72 and 178,663.07

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Solution

The fourth proportional to 219,455.06, 302,726.72 and 178,663.07 is: 246,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.06 : 302,726.72 = 178,663.07 : x
  2. Step 2: Convert to fraction form
    219,455.06/302,726.72 = 178,663.07/x
  3. Step 3: Cross multiply
    219,455.06x = 302,726.72 × 178,663.07
  4. Step 4: Simplify right side
    219,455.06x = 54,086,083,652.60
  5. Step 5: Solve for x
    x = 54,086,083,652.60/219,455.06
  6. Step 6: Final answer
    x = 246,456.31

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1.5x scale

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.