Home / 459,552.96-689,329.68-210,060

Finding the Fourth Proportional to 459,552.96, 689,329.68 and 210,060

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Solution

The fourth proportional to 459,552.96, 689,329.68 and 210,060 is: 315,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,552.96 : 689,329.68 = 210,060 : x
  2. Step 2: Convert to fraction form
    459,552.96/689,329.68 = 210,060/x
  3. Step 3: Cross multiply
    459,552.96x = 689,329.68 × 210,060
  4. Step 4: Simplify right side
    459,552.96x = 144,800,592,580.80
  5. Step 5: Solve for x
    x = 144,800,592,580.80/459,552.96
  6. Step 6: Final answer
    x = 315,090.11

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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.