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Finding the Fourth Proportional to 358,702.02, 538,127.15 and 299,948.27

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Solution

The fourth proportional to 358,702.02, 538,127.15 and 299,948.27 is: 449,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,702.02 : 538,127.15 = 299,948.27 : x
  2. Step 2: Convert to fraction form
    358,702.02/538,127.15 = 299,948.27/x
  3. Step 3: Cross multiply
    358,702.02x = 538,127.15 × 299,948.27
  4. Step 4: Simplify right side
    358,702.02x = 161,410,303,492.15
  5. Step 5: Solve for x
    x = 161,410,303,492.15/358,702.02
  6. Step 6: Final answer
    x = 449,984.37

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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.