Finding the Fourth Proportional to 270,916.18, 406,393.74 and 93,420.63
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Solution
The fourth proportional to 270,916.18, 406,393.74 and 93,420.63 is: 140,137.66
Step by Step Solution
- Step 1: Write the proportion equation
270,916.18 : 406,393.74 = 93,420.63 : x - Step 2: Convert to fraction form
270,916.18/406,393.74 = 93,420.63/x - Step 3: Cross multiply
270,916.18x = 406,393.74 × 93,420.63 - Step 4: Simplify right side
270,916.18x = 37,965,559,218.86 - Step 5: Solve for x
x = 37,965,559,218.86/270,916.18 - Step 6: Final answer
x = 140,137.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.