Finding the Fourth Proportional to 353,991.23, 530,668 and 129,193.93
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Solution
The fourth proportional to 353,991.23, 530,668 and 129,193.93 is: 193,674.53
Step by Step Solution
- Step 1: Write the proportion equation
353,991.23 : 530,668 = 129,193.93 : x - Step 2: Convert to fraction form
353,991.23/530,668 = 129,193.93/x - Step 3: Cross multiply
353,991.23x = 530,668 × 129,193.93 - Step 4: Simplify right side
353,991.23x = 68,559,084,445.24 - Step 5: Solve for x
x = 68,559,084,445.24/353,991.23 - Step 6: Final answer
x = 193,674.53
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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.