Home / 297,289.07-446,001.72-128,837.67

Finding the Fourth Proportional to 297,289.07, 446,001.72 and 128,837.67

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Solution

The fourth proportional to 297,289.07, 446,001.72 and 128,837.67 is: 193,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,289.07 : 446,001.72 = 128,837.67 : x
  2. Step 2: Convert to fraction form
    297,289.07/446,001.72 = 128,837.67/x
  3. Step 3: Cross multiply
    297,289.07x = 446,001.72 × 128,837.67
  4. Step 4: Simplify right side
    297,289.07x = 57,461,822,420.79
  5. Step 5: Solve for x
    x = 57,461,822,420.79/297,289.07
  6. Step 6: Final answer
    x = 193,286.02

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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.