Home / 434,749.68-652,153.68-119,180.16

Finding the Fourth Proportional to 434,749.68, 652,153.68 and 119,180.16

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Solution

The fourth proportional to 434,749.68, 652,153.68 and 119,180.16 is: 178,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,749.68 : 652,153.68 = 119,180.16 : x
  2. Step 2: Convert to fraction form
    434,749.68/652,153.68 = 119,180.16/x
  3. Step 3: Cross multiply
    434,749.68x = 652,153.68 × 119,180.16
  4. Step 4: Simplify right side
    434,749.68x = 77,723,779,926.99
  5. Step 5: Solve for x
    x = 77,723,779,926.99/434,749.68
  6. Step 6: Final answer
    x = 178,778.23

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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.