Home / 302,553.15-453,975.53-213,615.15

Finding the Fourth Proportional to 302,553.15, 453,975.53 and 213,615.15

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Solution

The fourth proportional to 302,553.15, 453,975.53 and 213,615.15 is: 320,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,553.15 : 453,975.53 = 213,615.15 : x
  2. Step 2: Convert to fraction form
    302,553.15/453,975.53 = 213,615.15/x
  3. Step 3: Cross multiply
    302,553.15x = 453,975.53 × 213,615.15
  4. Step 4: Simplify right side
    302,553.15x = 96,976,049,869.20
  5. Step 5: Solve for x
    x = 96,976,049,869.20/302,553.15
  6. Step 6: Final answer
    x = 320,525.67

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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.