Home / 374,708.42-517,084.72-213,615.35

Finding the Fourth Proportional to 374,708.42, 517,084.72 and 213,615.35

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Solution

The fourth proportional to 374,708.42, 517,084.72 and 213,615.35 is: 294,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,708.42 : 517,084.72 = 213,615.35 : x
  2. Step 2: Convert to fraction form
    374,708.42/517,084.72 = 213,615.35/x
  3. Step 3: Cross multiply
    374,708.42x = 517,084.72 × 213,615.35
  4. Step 4: Simplify right side
    374,708.42x = 110,457,233,442.45
  5. Step 5: Solve for x
    x = 110,457,233,442.45/374,708.42
  6. Step 6: Final answer
    x = 294,781.83

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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.