Home / 345,983.51-477,375.89-210,014.07

Finding the Fourth Proportional to 345,983.51, 477,375.89 and 210,014.07

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Solution

The fourth proportional to 345,983.51, 477,375.89 and 210,014.07 is: 289,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,983.51 : 477,375.89 = 210,014.07 : x
  2. Step 2: Convert to fraction form
    345,983.51/477,375.89 = 210,014.07/x
  3. Step 3: Cross multiply
    345,983.51x = 477,375.89 × 210,014.07
  4. Step 4: Simplify right side
    345,983.51x = 100,255,652,528.70
  5. Step 5: Solve for x
    x = 100,255,652,528.70/345,983.51
  6. Step 6: Final answer
    x = 289,770.04

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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.