Home / 302,457.06-453,588.84-100,015.56

Finding the Fourth Proportional to 302,457.06, 453,588.84 and 100,015.56

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Solution

The fourth proportional to 302,457.06, 453,588.84 and 100,015.56 is: 149,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,457.06 : 453,588.84 = 100,015.56 : x
  2. Step 2: Convert to fraction form
    302,457.06/453,588.84 = 100,015.56/x
  3. Step 3: Cross multiply
    302,457.06x = 453,588.84 × 100,015.56
  4. Step 4: Simplify right side
    302,457.06x = 45,365,941,842.35
  5. Step 5: Solve for x
    x = 45,365,941,842.35/302,457.06
  6. Step 6: Final answer
    x = 149,991.35

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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.