Home / 347,486.40-521,279.28-110,831.76

Finding the Fourth Proportional to 347,486.40, 521,279.28 and 110,831.76

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Solution

The fourth proportional to 347,486.40, 521,279.28 and 110,831.76 is: 166,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,486.40 : 521,279.28 = 110,831.76 : x
  2. Step 2: Convert to fraction form
    347,486.40/521,279.28 = 110,831.76/x
  3. Step 3: Cross multiply
    347,486.40x = 521,279.28 × 110,831.76
  4. Step 4: Simplify right side
    347,486.40x = 57,774,300,053.93
  5. Step 5: Solve for x
    x = 57,774,300,053.93/347,486.40
  6. Step 6: Final answer
    x = 166,263.49

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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.