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Finding the Fourth Proportional to 219,271.52, 302,594.74 and 118,669.52

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Solution

The fourth proportional to 219,271.52, 302,594.74 and 118,669.52 is: 163,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,271.52 : 302,594.74 = 118,669.52 : x
  2. Step 2: Convert to fraction form
    219,271.52/302,594.74 = 118,669.52/x
  3. Step 3: Cross multiply
    219,271.52x = 302,594.74 × 118,669.52
  4. Step 4: Simplify right side
    219,271.52x = 35,908,773,010.14
  5. Step 5: Solve for x
    x = 35,908,773,010.14/219,271.52
  6. Step 6: Final answer
    x = 163,763.96

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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.