Home / 212,071.68-318,225.60-181,048.32

Finding the Fourth Proportional to 212,071.68, 318,225.60 and 181,048.32

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Solution

The fourth proportional to 212,071.68, 318,225.60 and 181,048.32 is: 271,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,071.68 : 318,225.60 = 181,048.32 : x
  2. Step 2: Convert to fraction form
    212,071.68/318,225.60 = 181,048.32/x
  3. Step 3: Cross multiply
    212,071.68x = 318,225.60 × 181,048.32
  4. Step 4: Simplify right side
    212,071.68x = 57,614,210,260.99
  5. Step 5: Solve for x
    x = 57,614,210,260.99/212,071.68
  6. Step 6: Final answer
    x = 271,673.29

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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.