Home / 315,954.07-436,094.97-180,068.61

Finding the Fourth Proportional to 315,954.07, 436,094.97 and 180,068.61

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Solution

The fourth proportional to 315,954.07, 436,094.97 and 180,068.61 is: 248,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,954.07 : 436,094.97 = 180,068.61 : x
  2. Step 2: Convert to fraction form
    315,954.07/436,094.97 = 180,068.61/x
  3. Step 3: Cross multiply
    315,954.07x = 436,094.97 × 180,068.61
  4. Step 4: Simplify right side
    315,954.07x = 78,527,015,075.89
  5. Step 5: Solve for x
    x = 78,527,015,075.89/315,954.07
  6. Step 6: Final answer
    x = 248,539.34

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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.