Finding the Fourth Proportional to 270,844.18, 373,764.63 and 149,985.32
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Solution
The fourth proportional to 270,844.18, 373,764.63 and 149,985.32 is: 206,979.55
Step by Step Solution
- Step 1: Write the proportion equation
270,844.18 : 373,764.63 = 149,985.32 : x - Step 2: Convert to fraction form
270,844.18/373,764.63 = 149,985.32/x - Step 3: Cross multiply
270,844.18x = 373,764.63 × 149,985.32 - Step 4: Simplify right side
270,844.18x = 56,059,207,635.23 - Step 5: Solve for x
x = 56,059,207,635.23/270,844.18 - Step 6: Final answer
x = 206,979.55
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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.