Home / 219,038.45-328,598.24-69,316.43

Finding the Fourth Proportional to 219,038.45, 328,598.24 and 69,316.43

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Solution

The fourth proportional to 219,038.45, 328,598.24 and 69,316.43 is: 103,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,038.45 : 328,598.24 = 69,316.43 : x
  2. Step 2: Convert to fraction form
    219,038.45/328,598.24 = 69,316.43/x
  3. Step 3: Cross multiply
    219,038.45x = 328,598.24 × 69,316.43
  4. Step 4: Simplify right side
    219,038.45x = 22,777,256,901.08
  5. Step 5: Solve for x
    x = 22,777,256,901.08/219,038.45
  6. Step 6: Final answer
    x = 103,987.48

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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.