Home / 386,696.10-533,831.13-243,676.02

Finding the Fourth Proportional to 386,696.10, 533,831.13 and 243,676.02

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Solution

The fourth proportional to 386,696.10, 533,831.13 and 243,676.02 is: 336,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,696.10 : 533,831.13 = 243,676.02 : x
  2. Step 2: Convert to fraction form
    386,696.10/533,831.13 = 243,676.02/x
  3. Step 3: Cross multiply
    386,696.10x = 533,831.13 × 243,676.02
  4. Step 4: Simplify right side
    386,696.10x = 130,081,845,110.50
  5. Step 5: Solve for x
    x = 130,081,845,110.50/386,696.10
  6. Step 6: Final answer
    x = 336,392.96

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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.