Finding the Fourth Proportional to 347,624.16, 479,681.69 and 194,641.08
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Solution
The fourth proportional to 347,624.16, 479,681.69 and 194,641.08 is: 268,582.49
Step by Step Solution
- Step 1: Write the proportion equation
347,624.16 : 479,681.69 = 194,641.08 : x - Step 2: Convert to fraction form
347,624.16/479,681.69 = 194,641.08/x - Step 3: Cross multiply
347,624.16x = 479,681.69 × 194,641.08 - Step 4: Simplify right side
347,624.16x = 93,365,761,224.62 - Step 5: Solve for x
x = 93,365,761,224.62/347,624.16 - Step 6: Final answer
x = 268,582.49
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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.