Home / 319,699.24-440,574.50-228,897.48

Finding the Fourth Proportional to 319,699.24, 440,574.50 and 228,897.48

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Solution

The fourth proportional to 319,699.24, 440,574.50 and 228,897.48 is: 315,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,699.24 : 440,574.50 = 228,897.48 : x
  2. Step 2: Convert to fraction form
    319,699.24/440,574.50 = 228,897.48/x
  3. Step 3: Cross multiply
    319,699.24x = 440,574.50 × 228,897.48
  4. Step 4: Simplify right side
    319,699.24x = 100,846,392,802.26
  5. Step 5: Solve for x
    x = 100,846,392,802.26/319,699.24
  6. Step 6: Final answer
    x = 315,441.45

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1.5x scale

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.