Finding the Fourth Proportional to 292,750.23, 403,990.06 and 165,423.09
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Solution
The fourth proportional to 292,750.23, 403,990.06 and 165,423.09 is: 228,280.89
Step by Step Solution
- Step 1: Write the proportion equation
292,750.23 : 403,990.06 = 165,423.09 : x - Step 2: Convert to fraction form
292,750.23/403,990.06 = 165,423.09/x - Step 3: Cross multiply
292,750.23x = 403,990.06 × 165,423.09 - Step 4: Simplify right side
292,750.23x = 66,829,284,054.49 - Step 5: Solve for x
x = 66,829,284,054.49/292,750.23 - Step 6: Final answer
x = 228,280.89
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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.