Home / 307,869.96-424,748.16-180,520.86

Finding the Fourth Proportional to 307,869.96, 424,748.16 and 180,520.86

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Solution

The fourth proportional to 307,869.96, 424,748.16 and 180,520.86 is: 249,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,869.96 : 424,748.16 = 180,520.86 : x
  2. Step 2: Convert to fraction form
    307,869.96/424,748.16 = 180,520.86/x
  3. Step 3: Cross multiply
    307,869.96x = 424,748.16 × 180,520.86
  4. Step 4: Simplify right side
    307,869.96x = 76,675,903,126.62
  5. Step 5: Solve for x
    x = 76,675,903,126.62/307,869.96
  6. Step 6: Final answer
    x = 249,052.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.