Home / 288,403.27-397,994.25-167,615.26

Finding the Fourth Proportional to 288,403.27, 397,994.25 and 167,615.26

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Solution

The fourth proportional to 288,403.27, 397,994.25 and 167,615.26 is: 231,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,403.27 : 397,994.25 = 167,615.26 : x
  2. Step 2: Convert to fraction form
    288,403.27/397,994.25 = 167,615.26/x
  3. Step 3: Cross multiply
    288,403.27x = 397,994.25 × 167,615.26
  4. Step 4: Simplify right side
    288,403.27x = 66,709,909,692.26
  5. Step 5: Solve for x
    x = 66,709,909,692.26/288,403.27
  6. Step 6: Final answer
    x = 231,307.74

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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.