Home / 291,445.81-437,227.63-122,966.55

Finding the Fourth Proportional to 291,445.81, 437,227.63 and 122,966.55

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Solution

The fourth proportional to 291,445.81, 437,227.63 and 122,966.55 is: 184,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,445.81 : 437,227.63 = 122,966.55 : x
  2. Step 2: Convert to fraction form
    291,445.81/437,227.63 = 122,966.55/x
  3. Step 3: Cross multiply
    291,445.81x = 437,227.63 × 122,966.55
  4. Step 4: Simplify right side
    291,445.81x = 53,764,372,918.36
  5. Step 5: Solve for x
    x = 53,764,372,918.36/291,445.81
  6. Step 6: Final answer
    x = 184,474.68

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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.