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Finding the Fourth Proportional to 346,993.84, 520,768.59 and 335,922.40

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Solution

The fourth proportional to 346,993.84, 520,768.59 and 335,922.40 is: 504,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,993.84 : 520,768.59 = 335,922.40 : x
  2. Step 2: Convert to fraction form
    346,993.84/520,768.59 = 335,922.40/x
  3. Step 3: Cross multiply
    346,993.84x = 520,768.59 × 335,922.40
  4. Step 4: Simplify right side
    346,993.84x = 174,937,834,597.42
  5. Step 5: Solve for x
    x = 174,937,834,597.42/346,993.84
  6. Step 6: Final answer
    x = 504,152.57

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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.