Finding the Fourth Proportional to 316,736.08, 437,080.26 and 173,496.76
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Solution
The fourth proportional to 316,736.08, 437,080.26 and 173,496.76 is: 239,417.02
Step by Step Solution
- Step 1: Write the proportion equation
316,736.08 : 437,080.26 = 173,496.76 : x - Step 2: Convert to fraction form
316,736.08/437,080.26 = 173,496.76/x - Step 3: Cross multiply
316,736.08x = 437,080.26 × 173,496.76 - Step 4: Simplify right side
316,736.08x = 75,832,008,969.96 - Step 5: Solve for x
x = 75,832,008,969.96/316,736.08 - Step 6: Final answer
x = 239,417.02
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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.