Home / 317,941.10-476,743.70-140,364.26

Finding the Fourth Proportional to 317,941.10, 476,743.70 and 140,364.26

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Solution

The fourth proportional to 317,941.10, 476,743.70 and 140,364.26 is: 210,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,941.10 : 476,743.70 = 140,364.26 : x
  2. Step 2: Convert to fraction form
    317,941.10/476,743.70 = 140,364.26/x
  3. Step 3: Cross multiply
    317,941.10x = 476,743.70 × 140,364.26
  4. Step 4: Simplify right side
    317,941.10x = 66,917,774,627.35
  5. Step 5: Solve for x
    x = 66,917,774,627.35/317,941.10
  6. Step 6: Final answer
    x = 210,472.24

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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.