Home / 370,479.21-511,263.75-200,713.34

Finding the Fourth Proportional to 370,479.21, 511,263.75 and 200,713.34

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Solution

The fourth proportional to 370,479.21, 511,263.75 and 200,713.34 is: 276,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,479.21 : 511,263.75 = 200,713.34 : x
  2. Step 2: Convert to fraction form
    370,479.21/511,263.75 = 200,713.34/x
  3. Step 3: Cross multiply
    370,479.21x = 511,263.75 × 200,713.34
  4. Step 4: Simplify right side
    370,479.21x = 102,617,452,327.11
  5. Step 5: Solve for x
    x = 102,617,452,327.11/370,479.21
  6. Step 6: Final answer
    x = 276,985.72

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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.