Home / 345,501.32-476,628.84-202,172.63

Finding the Fourth Proportional to 345,501.32, 476,628.84 and 202,172.63

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Solution

The fourth proportional to 345,501.32, 476,628.84 and 202,172.63 is: 278,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,501.32 : 476,628.84 = 202,172.63 : x
  2. Step 2: Convert to fraction form
    345,501.32/476,628.84 = 202,172.63/x
  3. Step 3: Cross multiply
    345,501.32x = 476,628.84 × 202,172.63
  4. Step 4: Simplify right side
    345,501.32x = 96,361,303,733.51
  5. Step 5: Solve for x
    x = 96,361,303,733.51/345,501.32
  6. Step 6: Final answer
    x = 278,902.86

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1.5x scale

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.