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Finding the Fourth Proportional to 219,407.58, 329,173.32 and 61,637.40

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Solution

The fourth proportional to 219,407.58, 329,173.32 and 61,637.40 is: 92,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,407.58 : 329,173.32 = 61,637.40 : x
  2. Step 2: Convert to fraction form
    219,407.58/329,173.32 = 61,637.40/x
  3. Step 3: Cross multiply
    219,407.58x = 329,173.32 × 61,637.40
  4. Step 4: Simplify right side
    219,407.58x = 20,289,387,594.17
  5. Step 5: Solve for x
    x = 20,289,387,594.17/219,407.58
  6. Step 6: Final answer
    x = 92,473.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.