Home / 302,703.16-417,294.02-211,777.42

Finding the Fourth Proportional to 302,703.16, 417,294.02 and 211,777.42

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Solution

The fourth proportional to 302,703.16, 417,294.02 and 211,777.42 is: 291,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,703.16 : 417,294.02 = 211,777.42 : x
  2. Step 2: Convert to fraction form
    302,703.16/417,294.02 = 211,777.42/x
  3. Step 3: Cross multiply
    302,703.16x = 417,294.02 × 211,777.42
  4. Step 4: Simplify right side
    302,703.16x = 88,373,450,937.03
  5. Step 5: Solve for x
    x = 88,373,450,937.03/302,703.16
  6. Step 6: Final answer
    x = 291,947.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.