Finding the Fourth Proportional to 287,378.53, 396,594.63 and 160,054.13
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Solution
The fourth proportional to 287,378.53, 396,594.63 and 160,054.13 is: 220,881.52
Step by Step Solution
- Step 1: Write the proportion equation
287,378.53 : 396,594.63 = 160,054.13 : x - Step 2: Convert to fraction form
287,378.53/396,594.63 = 160,054.13/x - Step 3: Cross multiply
287,378.53x = 396,594.63 × 160,054.13 - Step 4: Simplify right side
287,378.53x = 63,476,607,227.96 - Step 5: Solve for x
x = 63,476,607,227.96/287,378.53 - Step 6: Final answer
x = 220,881.52
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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.