Finding the Fourth Proportional to 347,890.61, 521,984.45 and 148,304.99
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Solution
The fourth proportional to 347,890.61, 521,984.45 and 148,304.99 is: 222,520.81
Step by Step Solution
- Step 1: Write the proportion equation
347,890.61 : 521,984.45 = 148,304.99 : x - Step 2: Convert to fraction form
347,890.61/521,984.45 = 148,304.99/x - Step 3: Cross multiply
347,890.61x = 521,984.45 × 148,304.99 - Step 4: Simplify right side
347,890.61x = 77,412,900,313.13 - Step 5: Solve for x
x = 77,412,900,313.13/347,890.61 - Step 6: Final answer
x = 222,520.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.