Home / 205,095.15-307,642.73-202,330.35

Finding the Fourth Proportional to 205,095.15, 307,642.73 and 202,330.35

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Solution

The fourth proportional to 205,095.15, 307,642.73 and 202,330.35 is: 303,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,095.15 : 307,642.73 = 202,330.35 : x
  2. Step 2: Convert to fraction form
    205,095.15/307,642.73 = 202,330.35/x
  3. Step 3: Cross multiply
    205,095.15x = 307,642.73 × 202,330.35
  4. Step 4: Simplify right side
    205,095.15x = 62,245,461,235.86
  5. Step 5: Solve for x
    x = 62,245,461,235.86/205,095.15
  6. Step 6: Final answer
    x = 303,495.53

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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.