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Finding the Fourth Proportional to 545,182.86, 818,124.21 and 264,547.02

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Solution

The fourth proportional to 545,182.86, 818,124.21 and 264,547.02 is: 396,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,182.86 : 818,124.21 = 264,547.02 : x
  2. Step 2: Convert to fraction form
    545,182.86/818,124.21 = 264,547.02/x
  3. Step 3: Cross multiply
    545,182.86x = 818,124.21 × 264,547.02
  4. Step 4: Simplify right side
    545,182.86x = 216,432,321,745.35
  5. Step 5: Solve for x
    x = 216,432,321,745.35/545,182.86
  6. Step 6: Final answer
    x = 396,990.33

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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.