Home / 315,024.30-472,536.45-302,777.10

Finding the Fourth Proportional to 315,024.30, 472,536.45 and 302,777.10

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Solution

The fourth proportional to 315,024.30, 472,536.45 and 302,777.10 is: 454,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,024.30 : 472,536.45 = 302,777.10 : x
  2. Step 2: Convert to fraction form
    315,024.30/472,536.45 = 302,777.10/x
  3. Step 3: Cross multiply
    315,024.30x = 472,536.45 × 302,777.10
  4. Step 4: Simplify right side
    315,024.30x = 143,073,215,975.30
  5. Step 5: Solve for x
    x = 143,073,215,975.30/315,024.30
  6. Step 6: Final answer
    x = 454,165.65

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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.