Finding the Fourth Proportional to 316,947.96, 437,436.36 and 202,276.08
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Solution
The fourth proportional to 316,947.96, 437,436.36 and 202,276.08 is: 279,171.74
Step by Step Solution
- Step 1: Write the proportion equation
316,947.96 : 437,436.36 = 202,276.08 : x - Step 2: Convert to fraction form
316,947.96/437,436.36 = 202,276.08/x - Step 3: Cross multiply
316,947.96x = 437,436.36 × 202,276.08 - Step 4: Simplify right side
316,947.96x = 88,482,912,150.27 - Step 5: Solve for x
x = 88,482,912,150.27/316,947.96 - Step 6: Final answer
x = 279,171.74
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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.