Home / 302,485.28-453,693.36-80,886.56

Finding the Fourth Proportional to 302,485.28, 453,693.36 and 80,886.56

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Solution

The fourth proportional to 302,485.28, 453,693.36 and 80,886.56 is: 121,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,485.28 : 453,693.36 = 80,886.56 : x
  2. Step 2: Convert to fraction form
    302,485.28/453,693.36 = 80,886.56/x
  3. Step 3: Cross multiply
    302,485.28x = 453,693.36 × 80,886.56
  4. Step 4: Simplify right side
    302,485.28x = 36,697,695,185.24
  5. Step 5: Solve for x
    x = 36,697,695,185.24/302,485.28
  6. Step 6: Final answer
    x = 121,320.60

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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.