Home / 459,544.20-689,316.54-144,025.68

Finding the Fourth Proportional to 459,544.20, 689,316.54 and 144,025.68

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Solution

The fourth proportional to 459,544.20, 689,316.54 and 144,025.68 is: 216,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,544.20 : 689,316.54 = 144,025.68 : x
  2. Step 2: Convert to fraction form
    459,544.20/689,316.54 = 144,025.68/x
  3. Step 3: Cross multiply
    459,544.20x = 689,316.54 × 144,025.68
  4. Step 4: Simplify right side
    459,544.20x = 99,279,283,408.75
  5. Step 5: Solve for x
    x = 99,279,283,408.75/459,544.20
  6. Step 6: Final answer
    x = 216,038.60

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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.