Finding the Fourth Proportional to 352,630.80, 528,838.20 and 115,918.80
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Solution
The fourth proportional to 352,630.80, 528,838.20 and 115,918.80 is: 173,842.70
Step by Step Solution
- Step 1: Write the proportion equation
352,630.80 : 528,838.20 = 115,918.80 : x - Step 2: Convert to fraction form
352,630.80/528,838.20 = 115,918.80/x - Step 3: Cross multiply
352,630.80x = 528,838.20 × 115,918.80 - Step 4: Simplify right side
352,630.80x = 61,302,289,538.16 - Step 5: Solve for x
x = 61,302,289,538.16/352,630.80 - Step 6: Final answer
x = 173,842.70
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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.