Finding the Fourth Proportional to 292,385.40, 403,487.48 and 163,325.68
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Solution
The fourth proportional to 292,385.40, 403,487.48 and 163,325.68 is: 225,387.00
Step by Step Solution
- Step 1: Write the proportion equation
292,385.40 : 403,487.48 = 163,325.68 : x - Step 2: Convert to fraction form
292,385.40/403,487.48 = 163,325.68/x - Step 3: Cross multiply
292,385.40x = 403,487.48 × 163,325.68 - Step 4: Simplify right side
292,385.40x = 65,899,867,042.49 - Step 5: Solve for x
x = 65,899,867,042.49/292,385.40 - Step 6: Final answer
x = 225,387.00
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1.5x scale
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.