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Finding the Fourth Proportional to 579,898.91, 869,872.97 and 180,547.25

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Solution

The fourth proportional to 579,898.91, 869,872.97 and 180,547.25 is: 270,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,898.91 : 869,872.97 = 180,547.25 : x
  2. Step 2: Convert to fraction form
    579,898.91/869,872.97 = 180,547.25/x
  3. Step 3: Cross multiply
    579,898.91x = 869,872.97 × 180,547.25
  4. Step 4: Simplify right side
    579,898.91x = 157,053,168,684.84
  5. Step 5: Solve for x
    x = 157,053,168,684.84/579,898.91
  6. Step 6: Final answer
    x = 270,828.53

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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.