Home / 805,221.02-1,207,532.64-236,445.50

Finding the Fourth Proportional to 805,221.02, 1,207,532.64 and 236,445.50

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Solution

The fourth proportional to 805,221.02, 1,207,532.64 and 236,445.50 is: 354,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,221.02 : 1,207,532.64 = 236,445.50 : x
  2. Step 2: Convert to fraction form
    805,221.02/1,207,532.64 = 236,445.50/x
  3. Step 3: Cross multiply
    805,221.02x = 1,207,532.64 × 236,445.50
  4. Step 4: Simplify right side
    805,221.02x = 285,515,658,831.12
  5. Step 5: Solve for x
    x = 285,515,658,831.12/805,221.02
  6. Step 6: Final answer
    x = 354,580.48

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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.