Home / 297,285.07-445,995.72-128,833.67

Finding the Fourth Proportional to 297,285.07, 445,995.72 and 128,833.67

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Solution

The fourth proportional to 297,285.07, 445,995.72 and 128,833.67 is: 193,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,285.07 : 445,995.72 = 128,833.67 : x
  2. Step 2: Convert to fraction form
    297,285.07/445,995.72 = 128,833.67/x
  3. Step 3: Cross multiply
    297,285.07x = 445,995.72 × 128,833.67
  4. Step 4: Simplify right side
    297,285.07x = 57,459,266,526.88
  5. Step 5: Solve for x
    x = 57,459,266,526.88/297,285.07
  6. Step 6: Final answer
    x = 193,280.03

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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.