Home / 346,810.20-520,215.30-178,848.60

Finding the Fourth Proportional to 346,810.20, 520,215.30 and 178,848.60

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Solution

The fourth proportional to 346,810.20, 520,215.30 and 178,848.60 is: 268,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,810.20 : 520,215.30 = 178,848.60 : x
  2. Step 2: Convert to fraction form
    346,810.20/520,215.30 = 178,848.60/x
  3. Step 3: Cross multiply
    346,810.20x = 520,215.30 × 178,848.60
  4. Step 4: Simplify right side
    346,810.20x = 93,039,778,103.58
  5. Step 5: Solve for x
    x = 93,039,778,103.58/346,810.20
  6. Step 6: Final answer
    x = 268,272.90

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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.