Finding the Fourth Proportional to 357,673.01, 536,514.98 and 91,427.63
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Solution
The fourth proportional to 357,673.01, 536,514.98 and 91,427.63 is: 137,142.84
Step by Step Solution
- Step 1: Write the proportion equation
357,673.01 : 536,514.98 = 91,427.63 : x - Step 2: Convert to fraction form
357,673.01/536,514.98 = 91,427.63/x - Step 3: Cross multiply
357,673.01x = 536,514.98 × 91,427.63 - Step 4: Simplify right side
357,673.01x = 49,052,289,941.18 - Step 5: Solve for x
x = 49,052,289,941.18/357,673.01 - Step 6: Final answer
x = 137,142.84
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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.