Finding the Fourth Proportional to 353,316.60, 528,765.30 and 213,175.80
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Solution
The fourth proportional to 353,316.60, 528,765.30 and 213,175.80 is: 319,033.88
Step by Step Solution
- Step 1: Write the proportion equation
353,316.60 : 528,765.30 = 213,175.80 : x - Step 2: Convert to fraction form
353,316.60/528,765.30 = 213,175.80/x - Step 3: Cross multiply
353,316.60x = 528,765.30 × 213,175.80 - Step 4: Simplify right side
353,316.60x = 112,719,965,839.74 - Step 5: Solve for x
x = 112,719,965,839.74/353,316.60 - Step 6: Final answer
x = 319,033.88
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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.