Home / 303,538.20-455,307.30-163,570.20

Finding the Fourth Proportional to 303,538.20, 455,307.30 and 163,570.20

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Solution

The fourth proportional to 303,538.20, 455,307.30 and 163,570.20 is: 245,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,538.20 : 455,307.30 = 163,570.20 : x
  2. Step 2: Convert to fraction form
    303,538.20/455,307.30 = 163,570.20/x
  3. Step 3: Cross multiply
    303,538.20x = 455,307.30 × 163,570.20
  4. Step 4: Simplify right side
    303,538.20x = 74,474,706,122.46
  5. Step 5: Solve for x
    x = 74,474,706,122.46/303,538.20
  6. Step 6: Final answer
    x = 245,355.30

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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.