Home / 345,903.45-477,274.19-210,008.94

Finding the Fourth Proportional to 345,903.45, 477,274.19 and 210,008.94

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Solution

The fourth proportional to 345,903.45, 477,274.19 and 210,008.94 is: 289,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,903.45 : 477,274.19 = 210,008.94 : x
  2. Step 2: Convert to fraction form
    345,903.45/477,274.19 = 210,008.94/x
  3. Step 3: Cross multiply
    345,903.45x = 477,274.19 × 210,008.94
  4. Step 4: Simplify right side
    345,903.45x = 100,231,845,681.21
  5. Step 5: Solve for x
    x = 100,231,845,681.21/345,903.45
  6. Step 6: Final answer
    x = 289,768.27

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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.