Home / 742,815.55-1,114,212.39-181,850.05

Finding the Fourth Proportional to 742,815.55, 1,114,212.39 and 181,850.05

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Solution

The fourth proportional to 742,815.55, 1,114,212.39 and 181,850.05 is: 272,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,815.55 : 1,114,212.39 = 181,850.05 : x
  2. Step 2: Convert to fraction form
    742,815.55/1,114,212.39 = 181,850.05/x
  3. Step 3: Cross multiply
    742,815.55x = 1,114,212.39 × 181,850.05
  4. Step 4: Simplify right side
    742,815.55x = 202,619,578,832.12
  5. Step 5: Solve for x
    x = 202,619,578,832.12/742,815.55
  6. Step 6: Final answer
    x = 272,772.40

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1.5x scale

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.