Finding the Fourth Proportional to 292,518.50, 403,675.53 and 158,382.50
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Solution
The fourth proportional to 292,518.50, 403,675.53 and 158,382.50 is: 218,567.85
Step by Step Solution
- Step 1: Write the proportion equation
292,518.50 : 403,675.53 = 158,382.50 : x - Step 2: Convert to fraction form
292,518.50/403,675.53 = 158,382.50/x - Step 3: Cross multiply
292,518.50x = 403,675.53 × 158,382.50 - Step 4: Simplify right side
292,518.50x = 63,935,139,630.23 - Step 5: Solve for x
x = 63,935,139,630.23/292,518.50 - Step 6: Final answer
x = 218,567.85
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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.