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Finding the Fourth Proportional to 346,807.20, 520,225.20 and 110,143.20

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Solution

The fourth proportional to 346,807.20, 520,225.20 and 110,143.20 is: 165,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,807.20 : 520,225.20 = 110,143.20 : x
  2. Step 2: Convert to fraction form
    346,807.20/520,225.20 = 110,143.20/x
  3. Step 3: Cross multiply
    346,807.20x = 520,225.20 × 110,143.20
  4. Step 4: Simplify right side
    346,807.20x = 57,299,268,248.64
  5. Step 5: Solve for x
    x = 57,299,268,248.64/346,807.20
  6. Step 6: Final answer
    x = 165,219.37

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1.5x scale

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.