Home / 345,901.57-477,271.25-210,006.97

Finding the Fourth Proportional to 345,901.57, 477,271.25 and 210,006.97

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Solution

The fourth proportional to 345,901.57, 477,271.25 and 210,006.97 is: 289,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,901.57 : 477,271.25 = 210,006.97 : x
  2. Step 2: Convert to fraction form
    345,901.57/477,271.25 = 210,006.97/x
  3. Step 3: Cross multiply
    345,901.57x = 477,271.25 × 210,006.97
  4. Step 4: Simplify right side
    345,901.57x = 100,230,287,624.93
  5. Step 5: Solve for x
    x = 100,230,287,624.93/345,901.57
  6. Step 6: Final answer
    x = 289,765.35

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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.