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Finding the Fourth Proportional to 219,047.37, 302,285.70 and 118,445.37

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Solution

The fourth proportional to 219,047.37, 302,285.70 and 118,445.37 is: 163,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,047.37 : 302,285.70 = 118,445.37 : x
  2. Step 2: Convert to fraction form
    219,047.37/302,285.70 = 118,445.37/x
  3. Step 3: Cross multiply
    219,047.37x = 302,285.70 × 118,445.37
  4. Step 4: Simplify right side
    219,047.37x = 35,804,341,582.21
  5. Step 5: Solve for x
    x = 35,804,341,582.21/219,047.37
  6. Step 6: Final answer
    x = 163,454.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.