Home / 314,558.40-434,095.20-178,587.84

Finding the Fourth Proportional to 314,558.40, 434,095.20 and 178,587.84

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Solution

The fourth proportional to 314,558.40, 434,095.20 and 178,587.84 is: 246,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,558.40 : 434,095.20 = 178,587.84 : x
  2. Step 2: Convert to fraction form
    314,558.40/434,095.20 = 178,587.84/x
  3. Step 3: Cross multiply
    314,558.40x = 434,095.20 × 178,587.84
  4. Step 4: Simplify right side
    314,558.40x = 77,524,124,122.37
  5. Step 5: Solve for x
    x = 77,524,124,122.37/314,558.40
  6. Step 6: Final answer
    x = 246,453.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.