Home / 446,905.72-670,577.10-210,271.96

Finding the Fourth Proportional to 446,905.72, 670,577.10 and 210,271.96

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Solution

The fourth proportional to 446,905.72, 670,577.10 and 210,271.96 is: 315,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,905.72 : 670,577.10 = 210,271.96 : x
  2. Step 2: Convert to fraction form
    446,905.72/670,577.10 = 210,271.96/x
  3. Step 3: Cross multiply
    446,905.72x = 670,577.10 × 210,271.96
  4. Step 4: Simplify right side
    446,905.72x = 141,003,561,148.12
  5. Step 5: Solve for x
    x = 141,003,561,148.12/446,905.72
  6. Step 6: Final answer
    x = 315,510.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.