Home / 296,868.45-445,303.01-72,228.89

Finding the Fourth Proportional to 296,868.45, 445,303.01 and 72,228.89

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Solution

The fourth proportional to 296,868.45, 445,303.01 and 72,228.89 is: 108,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,868.45 : 445,303.01 = 72,228.89 : x
  2. Step 2: Convert to fraction form
    296,868.45/445,303.01 = 72,228.89/x
  3. Step 3: Cross multiply
    296,868.45x = 445,303.01 × 72,228.89
  4. Step 4: Simplify right side
    296,868.45x = 32,163,739,538.30
  5. Step 5: Solve for x
    x = 32,163,739,538.30/296,868.45
  6. Step 6: Final answer
    x = 108,343.41

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1.5x scale

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.