Home / 345,534.35-476,818.13-190,480.64

Finding the Fourth Proportional to 345,534.35, 476,818.13 and 190,480.64

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Solution

The fourth proportional to 345,534.35, 476,818.13 and 190,480.64 is: 262,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,534.35 : 476,818.13 = 190,480.64 : x
  2. Step 2: Convert to fraction form
    345,534.35/476,818.13 = 190,480.64/x
  3. Step 3: Cross multiply
    345,534.35x = 476,818.13 × 190,480.64
  4. Step 4: Simplify right side
    345,534.35x = 90,824,621,613.60
  5. Step 5: Solve for x
    x = 90,824,621,613.60/345,534.35
  6. Step 6: Final answer
    x = 262,852.66

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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.