Home / 410,278.21-615,466.46-125,931.52

Finding the Fourth Proportional to 410,278.21, 615,466.46 and 125,931.52

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Solution

The fourth proportional to 410,278.21, 615,466.46 and 125,931.52 is: 188,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,278.21 : 615,466.46 = 125,931.52 : x
  2. Step 2: Convert to fraction form
    410,278.21/615,466.46 = 125,931.52/x
  3. Step 3: Cross multiply
    410,278.21x = 615,466.46 × 125,931.52
  4. Step 4: Simplify right side
    410,278.21x = 77,506,624,648.50
  5. Step 5: Solve for x
    x = 77,506,624,648.50/410,278.21
  6. Step 6: Final answer
    x = 188,912.36

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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.