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Finding the Fourth Proportional to 340,592.32, 470,014.80 and 197,349.28

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Solution

The fourth proportional to 340,592.32, 470,014.80 and 197,349.28 is: 272,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,592.32 : 470,014.80 = 197,349.28 : x
  2. Step 2: Convert to fraction form
    340,592.32/470,014.80 = 197,349.28/x
  3. Step 3: Cross multiply
    340,592.32x = 470,014.80 × 197,349.28
  4. Step 4: Simplify right side
    340,592.32x = 92,757,082,369.34
  5. Step 5: Solve for x
    x = 92,757,082,369.34/340,592.32
  6. Step 6: Final answer
    x = 272,340.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.