Home / 437,965.40-657,166.80-248,571.20

Finding the Fourth Proportional to 437,965.40, 657,166.80 and 248,571.20

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Solution

The fourth proportional to 437,965.40, 657,166.80 and 248,571.20 is: 372,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,965.40 : 657,166.80 = 248,571.20 : x
  2. Step 2: Convert to fraction form
    437,965.40/657,166.80 = 248,571.20/x
  3. Step 3: Cross multiply
    437,965.40x = 657,166.80 × 248,571.20
  4. Step 4: Simplify right side
    437,965.40x = 163,352,740,076.16
  5. Step 5: Solve for x
    x = 163,352,740,076.16/437,965.40
  6. Step 6: Final answer
    x = 372,980.93

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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.