Finding the Fourth Proportional to 292,213.80, 438,335.10 and 152,245.80
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Solution
The fourth proportional to 292,213.80, 438,335.10 and 152,245.80 is: 228,376.20
Step by Step Solution
- Step 1: Write the proportion equation
292,213.80 : 438,335.10 = 152,245.80 : x - Step 2: Convert to fraction form
292,213.80/438,335.10 = 152,245.80/x - Step 3: Cross multiply
292,213.80x = 438,335.10 × 152,245.80 - Step 4: Simplify right side
292,213.80x = 66,734,677,967.58 - Step 5: Solve for x
x = 66,734,677,967.58/292,213.80 - Step 6: Final answer
x = 228,376.20
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1.5x scale
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.