Finding the Fourth Proportional to 287,304.24, 396,479.64 and 158,243.58
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Solution
The fourth proportional to 287,304.24, 396,479.64 and 158,243.58 is: 218,376.02
Step by Step Solution
- Step 1: Write the proportion equation
287,304.24 : 396,479.64 = 158,243.58 : x - Step 2: Convert to fraction form
287,304.24/396,479.64 = 158,243.58/x - Step 3: Cross multiply
287,304.24x = 396,479.64 × 158,243.58 - Step 4: Simplify right side
287,304.24x = 62,740,357,630.71 - Step 5: Solve for x
x = 62,740,357,630.71/287,304.24 - Step 6: Final answer
x = 218,376.02
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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.