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Finding the Fourth Proportional to 346,500.70, 520,079.10 and 296,637.10

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Solution

The fourth proportional to 346,500.70, 520,079.10 and 296,637.10 is: 445,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,500.70 : 520,079.10 = 296,637.10 : x
  2. Step 2: Convert to fraction form
    346,500.70/520,079.10 = 296,637.10/x
  3. Step 3: Cross multiply
    346,500.70x = 520,079.10 × 296,637.10
  4. Step 4: Simplify right side
    346,500.70x = 154,274,755,994.61
  5. Step 5: Solve for x
    x = 154,274,755,994.61/346,500.70
  6. Step 6: Final answer
    x = 445,236.49

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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.