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Finding the Fourth Proportional to 346,692, 520,038 and 84,036

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Solution

The fourth proportional to 346,692, 520,038 and 84,036 is: 126,054

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,692 : 520,038 = 84,036 : x
  2. Step 2: Convert to fraction form
    346,692/520,038 = 84,036/x
  3. Step 3: Cross multiply
    346,692x = 520,038 × 84,036
  4. Step 4: Simplify right side
    346,692x = 43,701,913,368
  5. Step 5: Solve for x
    x = 43,701,913,368/346,692
  6. Step 6: Final answer
    x = 126,054

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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.