Home / 380,392.56-524,941.72-210,626.64

Finding the Fourth Proportional to 380,392.56, 524,941.72 and 210,626.64

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Solution

The fourth proportional to 380,392.56, 524,941.72 and 210,626.64 is: 290,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,392.56 : 524,941.72 = 210,626.64 : x
  2. Step 2: Convert to fraction form
    380,392.56/524,941.72 = 210,626.64/x
  3. Step 3: Cross multiply
    380,392.56x = 524,941.72 × 210,626.64
  4. Step 4: Simplify right side
    380,392.56x = 110,566,710,679.42
  5. Step 5: Solve for x
    x = 110,566,710,679.42/380,392.56
  6. Step 6: Final answer
    x = 290,664.76

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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.