Home / 445,526.08-668,412.44-205,713.36

Finding the Fourth Proportional to 445,526.08, 668,412.44 and 205,713.36

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Solution

The fourth proportional to 445,526.08, 668,412.44 and 205,713.36 is: 308,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,526.08 : 668,412.44 = 205,713.36 : x
  2. Step 2: Convert to fraction form
    445,526.08/668,412.44 = 205,713.36/x
  3. Step 3: Cross multiply
    445,526.08x = 668,412.44 × 205,713.36
  4. Step 4: Simplify right side
    445,526.08x = 137,501,368,898.20
  5. Step 5: Solve for x
    x = 137,501,368,898.20/445,526.08
  6. Step 6: Final answer
    x = 308,626.98

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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.