Home / 459,616.01-689,424.21-144,097.52

Finding the Fourth Proportional to 459,616.01, 689,424.21 and 144,097.52

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Solution

The fourth proportional to 459,616.01, 689,424.21 and 144,097.52 is: 216,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,616.01 : 689,424.21 = 144,097.52 : x
  2. Step 2: Convert to fraction form
    459,616.01/689,424.21 = 144,097.52/x
  3. Step 3: Cross multiply
    459,616.01x = 689,424.21 × 144,097.52
  4. Step 4: Simplify right side
    459,616.01x = 99,344,315,441.84
  5. Step 5: Solve for x
    x = 99,344,315,441.84/459,616.01
  6. Step 6: Final answer
    x = 216,146.34

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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.