Home / 219,127.02-328,690.52-52,915.02

Finding the Fourth Proportional to 219,127.02, 328,690.52 and 52,915.02

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Solution

The fourth proportional to 219,127.02, 328,690.52 and 52,915.02 is: 79,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,127.02 : 328,690.52 = 52,915.02 : x
  2. Step 2: Convert to fraction form
    219,127.02/328,690.52 = 52,915.02/x
  3. Step 3: Cross multiply
    219,127.02x = 328,690.52 × 52,915.02
  4. Step 4: Simplify right side
    219,127.02x = 17,392,665,439.61
  5. Step 5: Solve for x
    x = 17,392,665,439.61/219,127.02
  6. Step 6: Final answer
    x = 79,372.53

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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.