Home / 459,641.77-689,462.64-144,124.09

Finding the Fourth Proportional to 459,641.77, 689,462.64 and 144,124.09

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Solution

The fourth proportional to 459,641.77, 689,462.64 and 144,124.09 is: 216,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,641.77 : 689,462.64 = 144,124.09 : x
  2. Step 2: Convert to fraction form
    459,641.77/689,462.64 = 144,124.09/x
  3. Step 3: Cross multiply
    459,641.77x = 689,462.64 × 144,124.09
  4. Step 4: Simplify right side
    459,641.77x = 99,368,175,579.00
  5. Step 5: Solve for x
    x = 99,368,175,579.00/459,641.77
  6. Step 6: Final answer
    x = 216,186.13

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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.