Home / 395,040.07-545,151.36-213,748.02

Finding the Fourth Proportional to 395,040.07, 545,151.36 and 213,748.02

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Solution

The fourth proportional to 395,040.07, 545,151.36 and 213,748.02 is: 294,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,040.07 : 545,151.36 = 213,748.02 : x
  2. Step 2: Convert to fraction form
    395,040.07/545,151.36 = 213,748.02/x
  3. Step 3: Cross multiply
    395,040.07x = 545,151.36 × 213,748.02
  4. Step 4: Simplify right side
    395,040.07x = 116,525,020,005.81
  5. Step 5: Solve for x
    x = 116,525,020,005.81/395,040.07
  6. Step 6: Final answer
    x = 294,970.13

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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.