Home / 387,925.22-535,328.40-224,588.61

Finding the Fourth Proportional to 387,925.22, 535,328.40 and 224,588.61

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Solution

The fourth proportional to 387,925.22, 535,328.40 and 224,588.61 is: 309,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,925.22 : 535,328.40 = 224,588.61 : x
  2. Step 2: Convert to fraction form
    387,925.22/535,328.40 = 224,588.61/x
  3. Step 3: Cross multiply
    387,925.22x = 535,328.40 × 224,588.61
  4. Step 4: Simplify right side
    387,925.22x = 120,228,661,249.52
  5. Step 5: Solve for x
    x = 120,228,661,249.52/387,925.22
  6. Step 6: Final answer
    x = 309,927.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.