Home / 447,566.44-671,345.34-210,779.56

Finding the Fourth Proportional to 447,566.44, 671,345.34 and 210,779.56

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Solution

The fourth proportional to 447,566.44, 671,345.34 and 210,779.56 is: 316,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,566.44 : 671,345.34 = 210,779.56 : x
  2. Step 2: Convert to fraction form
    447,566.44/671,345.34 = 210,779.56/x
  3. Step 3: Cross multiply
    447,566.44x = 671,345.34 × 210,779.56
  4. Step 4: Simplify right side
    447,566.44x = 141,505,875,373.25
  5. Step 5: Solve for x
    x = 141,505,875,373.25/447,566.44
  6. Step 6: Final answer
    x = 316,167.31

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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.