Finding the Fourth Proportional to 298,392.58, 411,787.03 and 162,430.44
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Solution
The fourth proportional to 298,392.58, 411,787.03 and 162,430.44 is: 224,156.88
Step by Step Solution
- Step 1: Write the proportion equation
298,392.58 : 411,787.03 = 162,430.44 : x - Step 2: Convert to fraction form
298,392.58/411,787.03 = 162,430.44/x - Step 3: Cross multiply
298,392.58x = 411,787.03 × 162,430.44 - Step 4: Simplify right side
298,392.58x = 66,886,748,469.19 - Step 5: Solve for x
x = 66,886,748,469.19/298,392.58 - Step 6: Final answer
x = 224,156.88
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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.