Home / 459,849.07-689,802.77-144,318.43

Finding the Fourth Proportional to 459,849.07, 689,802.77 and 144,318.43

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Solution

The fourth proportional to 459,849.07, 689,802.77 and 144,318.43 is: 216,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,849.07 : 689,802.77 = 144,318.43 : x
  2. Step 2: Convert to fraction form
    459,849.07/689,802.77 = 144,318.43/x
  3. Step 3: Cross multiply
    459,849.07x = 689,802.77 × 144,318.43
  4. Step 4: Simplify right side
    459,849.07x = 99,551,252,776.05
  5. Step 5: Solve for x
    x = 99,551,252,776.05/459,849.07
  6. Step 6: Final answer
    x = 216,486.80

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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.