Home / 545,271.06-817,917.48-145,911.18

Finding the Fourth Proportional to 545,271.06, 817,917.48 and 145,911.18

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Solution

The fourth proportional to 545,271.06, 817,917.48 and 145,911.18 is: 218,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,271.06 : 817,917.48 = 145,911.18 : x
  2. Step 2: Convert to fraction form
    545,271.06/817,917.48 = 145,911.18/x
  3. Step 3: Cross multiply
    545,271.06x = 817,917.48 × 145,911.18
  4. Step 4: Simplify right side
    545,271.06x = 119,343,304,649.43
  5. Step 5: Solve for x
    x = 119,343,304,649.43/545,271.06
  6. Step 6: Final answer
    x = 218,869.68

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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.