Home / 245,890.20-368,835.30-243,557.40

Finding the Fourth Proportional to 245,890.20, 368,835.30 and 243,557.40

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Solution

The fourth proportional to 245,890.20, 368,835.30 and 243,557.40 is: 365,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,890.20 : 368,835.30 = 243,557.40 : x
  2. Step 2: Convert to fraction form
    245,890.20/368,835.30 = 243,557.40/x
  3. Step 3: Cross multiply
    245,890.20x = 368,835.30 × 243,557.40
  4. Step 4: Simplify right side
    245,890.20x = 89,832,566,696.22
  5. Step 5: Solve for x
    x = 89,832,566,696.22/245,890.20
  6. Step 6: Final answer
    x = 365,336.10

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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.