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Finding the Fourth Proportional to 652,152.30, 978,179.85 and 272,975.10

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Solution

The fourth proportional to 652,152.30, 978,179.85 and 272,975.10 is: 409,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,152.30 : 978,179.85 = 272,975.10 : x
  2. Step 2: Convert to fraction form
    652,152.30/978,179.85 = 272,975.10/x
  3. Step 3: Cross multiply
    652,152.30x = 978,179.85 × 272,975.10
  4. Step 4: Simplify right side
    652,152.30x = 267,018,742,371.74
  5. Step 5: Solve for x
    x = 267,018,742,371.74/652,152.30
  6. Step 6: Final answer
    x = 409,442.31

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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.