Finding the Fourth Proportional to 307,674.52, 424,577.10 and 171,701.08
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Solution
The fourth proportional to 307,674.52, 424,577.10 and 171,701.08 is: 236,939.82
Step by Step Solution
- Step 1: Write the proportion equation
307,674.52 : 424,577.10 = 171,701.08 : x - Step 2: Convert to fraction form
307,674.52/424,577.10 = 171,701.08/x - Step 3: Cross multiply
307,674.52x = 424,577.10 × 171,701.08 - Step 4: Simplify right side
307,674.52x = 72,900,346,613.27 - Step 5: Solve for x
x = 72,900,346,613.27/307,674.52 - Step 6: Final answer
x = 236,939.82
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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.