Home / 445,626.73-668,462.00-145,985.89

Finding the Fourth Proportional to 445,626.73, 668,462.00 and 145,985.89

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Solution

The fourth proportional to 445,626.73, 668,462.00 and 145,985.89 is: 218,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,626.73 : 668,462.00 = 145,985.89 : x
  2. Step 2: Convert to fraction form
    445,626.73/668,462.00 = 145,985.89/x
  3. Step 3: Cross multiply
    445,626.73x = 668,462.00 × 145,985.89
  4. Step 4: Simplify right side
    445,626.73x = 97,586,019,271.25
  5. Step 5: Solve for x
    x = 97,586,019,271.25/445,626.73
  6. Step 6: Final answer
    x = 218,986.01

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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.