Home / 459,893.10-689,868.83-144,362.46

Finding the Fourth Proportional to 459,893.10, 689,868.83 and 144,362.46

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Solution

The fourth proportional to 459,893.10, 689,868.83 and 144,362.46 is: 216,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,893.10 : 689,868.83 = 144,362.46 : x
  2. Step 2: Convert to fraction form
    459,893.10/689,868.83 = 144,362.46/x
  3. Step 3: Cross multiply
    459,893.10x = 689,868.83 × 144,362.46
  4. Step 4: Simplify right side
    459,893.10x = 99,591,161,376.12
  5. Step 5: Solve for x
    x = 99,591,161,376.12/459,893.10
  6. Step 6: Final answer
    x = 216,552.85

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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.