Home / 345,274.32-476,313.51-268,266.39

Finding the Fourth Proportional to 345,274.32, 476,313.51 and 268,266.39

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Solution

The fourth proportional to 345,274.32, 476,313.51 and 268,266.39 is: 370,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,274.32 : 476,313.51 = 268,266.39 : x
  2. Step 2: Convert to fraction form
    345,274.32/476,313.51 = 268,266.39/x
  3. Step 3: Cross multiply
    345,274.32x = 476,313.51 × 268,266.39
  4. Step 4: Simplify right side
    345,274.32x = 127,778,905,835.93
  5. Step 5: Solve for x
    x = 127,778,905,835.93/345,274.32
  6. Step 6: Final answer
    x = 370,079.38

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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.