Home / 384,851.08-531,095.26-215,085.20

Finding the Fourth Proportional to 384,851.08, 531,095.26 and 215,085.20

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Solution

The fourth proportional to 384,851.08, 531,095.26 and 215,085.20 is: 296,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,851.08 : 531,095.26 = 215,085.20 : x
  2. Step 2: Convert to fraction form
    384,851.08/531,095.26 = 215,085.20/x
  3. Step 3: Cross multiply
    384,851.08x = 531,095.26 × 215,085.20
  4. Step 4: Simplify right side
    384,851.08x = 114,230,730,216.15
  5. Step 5: Solve for x
    x = 114,230,730,216.15/384,851.08
  6. Step 6: Final answer
    x = 296,818.01

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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.