Home / 319,382.22-478,076.88-235,237.40

Finding the Fourth Proportional to 319,382.22, 478,076.88 and 235,237.40

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Solution

The fourth proportional to 319,382.22, 478,076.88 and 235,237.40 is: 352,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,382.22 : 478,076.88 = 235,237.40 : x
  2. Step 2: Convert to fraction form
    319,382.22/478,076.88 = 235,237.40/x
  3. Step 3: Cross multiply
    319,382.22x = 478,076.88 × 235,237.40
  4. Step 4: Simplify right side
    319,382.22x = 112,461,562,535.86
  5. Step 5: Solve for x
    x = 112,461,562,535.86/319,382.22
  6. Step 6: Final answer
    x = 352,122.17

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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.