Home / 346,972.40-520,069.80-178,427.60

Finding the Fourth Proportional to 346,972.40, 520,069.80 and 178,427.60

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Solution

The fourth proportional to 346,972.40, 520,069.80 and 178,427.60 is: 267,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,972.40 : 520,069.80 = 178,427.60 : x
  2. Step 2: Convert to fraction form
    346,972.40/520,069.80 = 178,427.60/x
  3. Step 3: Cross multiply
    346,972.40x = 520,069.80 × 178,427.60
  4. Step 4: Simplify right side
    346,972.40x = 92,794,806,246.48
  5. Step 5: Solve for x
    x = 92,794,806,246.48/346,972.40
  6. Step 6: Final answer
    x = 267,441.46

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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.