Home / 395,559.74-545,875.04-214,271.66

Finding the Fourth Proportional to 395,559.74, 545,875.04 and 214,271.66

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Solution

The fourth proportional to 395,559.74, 545,875.04 and 214,271.66 is: 295,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,559.74 : 545,875.04 = 214,271.66 : x
  2. Step 2: Convert to fraction form
    395,559.74/545,875.04 = 214,271.66/x
  3. Step 3: Cross multiply
    395,559.74x = 545,875.04 × 214,271.66
  4. Step 4: Simplify right side
    395,559.74x = 116,965,550,973.37
  5. Step 5: Solve for x
    x = 116,965,550,973.37/395,559.74
  6. Step 6: Final answer
    x = 295,696.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.