Finding the Fourth Proportional to 312,027.48, 430,597.44 and 168,787.08
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Solution
The fourth proportional to 312,027.48, 430,597.44 and 168,787.08 is: 232,925.91
Step by Step Solution
- Step 1: Write the proportion equation
312,027.48 : 430,597.44 = 168,787.08 : x - Step 2: Convert to fraction form
312,027.48/430,597.44 = 168,787.08/x - Step 3: Cross multiply
312,027.48x = 430,597.44 × 168,787.08 - Step 4: Simplify right side
312,027.48x = 72,679,284,553.08 - Step 5: Solve for x
x = 72,679,284,553.08/312,027.48 - Step 6: Final answer
x = 232,925.91
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1.5x scale
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.