Home / 371,831.81-513,086.16-210,652.34

Finding the Fourth Proportional to 371,831.81, 513,086.16 and 210,652.34

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Solution

The fourth proportional to 371,831.81, 513,086.16 and 210,652.34 is: 290,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,831.81 : 513,086.16 = 210,652.34 : x
  2. Step 2: Convert to fraction form
    371,831.81/513,086.16 = 210,652.34/x
  3. Step 3: Cross multiply
    371,831.81x = 513,086.16 × 210,652.34
  4. Step 4: Simplify right side
    371,831.81x = 108,082,798,450.13
  5. Step 5: Solve for x
    x = 108,082,798,450.13/371,831.81
  6. Step 6: Final answer
    x = 290,676.58

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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.