Home / 374,962.40-561,787.52-312,185.96

Finding the Fourth Proportional to 374,962.40, 561,787.52 and 312,185.96

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Solution

The fourth proportional to 374,962.40, 561,787.52 and 312,185.96 is: 467,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,962.40 : 561,787.52 = 312,185.96 : x
  2. Step 2: Convert to fraction form
    374,962.40/561,787.52 = 312,185.96/x
  3. Step 3: Cross multiply
    374,962.40x = 561,787.52 × 312,185.96
  4. Step 4: Simplify right side
    374,962.40x = 175,382,176,247.22
  5. Step 5: Solve for x
    x = 175,382,176,247.22/374,962.40
  6. Step 6: Final answer
    x = 467,732.70

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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.