Home / 297,030.24-445,692.96-139,271.04

Finding the Fourth Proportional to 297,030.24, 445,692.96 and 139,271.04

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Solution

The fourth proportional to 297,030.24, 445,692.96 and 139,271.04 is: 208,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,030.24 : 445,692.96 = 139,271.04 : x
  2. Step 2: Convert to fraction form
    297,030.24/445,692.96 = 139,271.04/x
  3. Step 3: Cross multiply
    297,030.24x = 445,692.96 × 139,271.04
  4. Step 4: Simplify right side
    297,030.24x = 62,072,122,059.88
  5. Step 5: Solve for x
    x = 62,072,122,059.88/297,030.24
  6. Step 6: Final answer
    x = 208,975.77

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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.