Home / 558,143.80-836,965.14-178,994.68

Finding the Fourth Proportional to 558,143.80, 836,965.14 and 178,994.68

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Solution

The fourth proportional to 558,143.80, 836,965.14 and 178,994.68 is: 268,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,143.80 : 836,965.14 = 178,994.68 : x
  2. Step 2: Convert to fraction form
    558,143.80/836,965.14 = 178,994.68/x
  3. Step 3: Cross multiply
    558,143.80x = 836,965.14 × 178,994.68
  4. Step 4: Simplify right side
    558,143.80x = 149,812,307,405.46
  5. Step 5: Solve for x
    x = 149,812,307,405.46/558,143.80
  6. Step 6: Final answer
    x = 268,411.67

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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.