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Finding the Fourth Proportional to 301,328.88, 451,570.77 and 216,690.77

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Solution

The fourth proportional to 301,328.88, 451,570.77 and 216,690.77 is: 324,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,328.88 : 451,570.77 = 216,690.77 : x
  2. Step 2: Convert to fraction form
    301,328.88/451,570.77 = 216,690.77/x
  3. Step 3: Cross multiply
    301,328.88x = 451,570.77 × 216,690.77
  4. Step 4: Simplify right side
    301,328.88x = 97,851,215,602.94
  5. Step 5: Solve for x
    x = 97,851,215,602.94/301,328.88
  6. Step 6: Final answer
    x = 324,732.28

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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.