Home / 459,633.48-689,453.27-160,119.72

Finding the Fourth Proportional to 459,633.48, 689,453.27 and 160,119.72

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Solution

The fourth proportional to 459,633.48, 689,453.27 and 160,119.72 is: 240,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,633.48 : 689,453.27 = 160,119.72 : x
  2. Step 2: Convert to fraction form
    459,633.48/689,453.27 = 160,119.72/x
  3. Step 3: Cross multiply
    459,633.48x = 689,453.27 × 160,119.72
  4. Step 4: Simplify right side
    459,633.48x = 110,395,064,545.48
  5. Step 5: Solve for x
    x = 110,395,064,545.48/459,633.48
  6. Step 6: Final answer
    x = 240,180.64

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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.