Home / 545,257.15-817,896.67-145,897.29

Finding the Fourth Proportional to 545,257.15, 817,896.67 and 145,897.29

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Solution

The fourth proportional to 545,257.15, 817,896.67 and 145,897.29 is: 218,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,257.15 : 817,896.67 = 145,897.29 : x
  2. Step 2: Convert to fraction form
    545,257.15/817,896.67 = 145,897.29/x
  3. Step 3: Cross multiply
    545,257.15x = 817,896.67 × 145,897.29
  4. Step 4: Simplify right side
    545,257.15x = 119,328,907,653.02
  5. Step 5: Solve for x
    x = 119,328,907,653.02/545,257.15
  6. Step 6: Final answer
    x = 218,848.86

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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.