Home / 318,507.37-439,534.60-173,308.25

Finding the Fourth Proportional to 318,507.37, 439,534.60 and 173,308.25

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Solution

The fourth proportional to 318,507.37, 439,534.60 and 173,308.25 is: 239,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,507.37 : 439,534.60 = 173,308.25 : x
  2. Step 2: Convert to fraction form
    318,507.37/439,534.60 = 173,308.25/x
  3. Step 3: Cross multiply
    318,507.37x = 439,534.60 × 173,308.25
  4. Step 4: Simplify right side
    318,507.37x = 76,174,973,482.43
  5. Step 5: Solve for x
    x = 76,174,973,482.43/318,507.37
  6. Step 6: Final answer
    x = 239,162.36

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1.5x scale

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.