Home / 205,090.15-307,635.23-202,325.35

Finding the Fourth Proportional to 205,090.15, 307,635.23 and 202,325.35

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Solution

The fourth proportional to 205,090.15, 307,635.23 and 202,325.35 is: 303,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,090.15 : 307,635.23 = 202,325.35 : x
  2. Step 2: Convert to fraction form
    205,090.15/307,635.23 = 202,325.35/x
  3. Step 3: Cross multiply
    205,090.15x = 307,635.23 × 202,325.35
  4. Step 4: Simplify right side
    205,090.15x = 62,242,405,582.08
  5. Step 5: Solve for x
    x = 62,242,405,582.08/205,090.15
  6. Step 6: Final answer
    x = 303,488.03

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1.5x scale

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.