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Finding the Fourth Proportional to 346,676.20, 520,014.30 and 283,690.60

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Solution

The fourth proportional to 346,676.20, 520,014.30 and 283,690.60 is: 425,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,676.20 : 520,014.30 = 283,690.60 : x
  2. Step 2: Convert to fraction form
    346,676.20/520,014.30 = 283,690.60/x
  3. Step 3: Cross multiply
    346,676.20x = 520,014.30 × 283,690.60
  4. Step 4: Simplify right side
    346,676.20x = 147,523,168,775.58
  5. Step 5: Solve for x
    x = 147,523,168,775.58/346,676.20
  6. Step 6: Final answer
    x = 425,535.90

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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.