Home / 346,904.28-520,415.75-119,188.98

Finding the Fourth Proportional to 346,904.28, 520,415.75 and 119,188.98

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Solution

The fourth proportional to 346,904.28, 520,415.75 and 119,188.98 is: 178,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,904.28 : 520,415.75 = 119,188.98 : x
  2. Step 2: Convert to fraction form
    346,904.28/520,415.75 = 119,188.98/x
  3. Step 3: Cross multiply
    346,904.28x = 520,415.75 × 119,188.98
  4. Step 4: Simplify right side
    346,904.28x = 62,027,822,716.41
  5. Step 5: Solve for x
    x = 62,027,822,716.41/346,904.28
  6. Step 6: Final answer
    x = 178,803.86

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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.