Finding the Fourth Proportional to 315,446.00, 473,166.36 and 78,787.08
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Solution
The fourth proportional to 315,446.00, 473,166.36 and 78,787.08 is: 118,179.96
Step by Step Solution
- Step 1: Write the proportion equation
315,446.00 : 473,166.36 = 78,787.08 : x - Step 2: Convert to fraction form
315,446.00/473,166.36 = 78,787.08/x - Step 3: Cross multiply
315,446.00x = 473,166.36 × 78,787.08 - Step 4: Simplify right side
315,446.00x = 37,279,395,858.63 - Step 5: Solve for x
x = 37,279,395,858.63/315,446.00 - Step 6: Final answer
x = 118,179.96
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1.5x scale
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.