Home / 632,858.08-949,429.32-212,123.20

Finding the Fourth Proportional to 632,858.08, 949,429.32 and 212,123.20

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Solution

The fourth proportional to 632,858.08, 949,429.32 and 212,123.20 is: 318,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,858.08 : 949,429.32 = 212,123.20 : x
  2. Step 2: Convert to fraction form
    632,858.08/949,429.32 = 212,123.20/x
  3. Step 3: Cross multiply
    632,858.08x = 949,429.32 × 212,123.20
  4. Step 4: Simplify right side
    632,858.08x = 201,395,985,532.22
  5. Step 5: Solve for x
    x = 201,395,985,532.22/632,858.08
  6. Step 6: Final answer
    x = 318,232.46

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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.