Home / 459,145.35-688,718.03-272,521.35

Finding the Fourth Proportional to 459,145.35, 688,718.03 and 272,521.35

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Solution

The fourth proportional to 459,145.35, 688,718.03 and 272,521.35 is: 408,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,145.35 : 688,718.03 = 272,521.35 : x
  2. Step 2: Convert to fraction form
    459,145.35/688,718.03 = 272,521.35/x
  3. Step 3: Cross multiply
    459,145.35x = 688,718.03 × 272,521.35
  4. Step 4: Simplify right side
    459,145.35x = 187,690,365,942.33
  5. Step 5: Solve for x
    x = 187,690,365,942.33/459,145.35
  6. Step 6: Final answer
    x = 408,782.03

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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.