Finding the Fourth Proportional to 438,171.08, 604,677.87 and 236,967.08
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Solution
The fourth proportional to 438,171.08, 604,677.87 and 236,967.08 is: 327,015.53
Step by Step Solution
- Step 1: Write the proportion equation
438,171.08 : 604,677.87 = 236,967.08 : x - Step 2: Convert to fraction form
438,171.08/604,677.87 = 236,967.08/x - Step 3: Cross multiply
438,171.08x = 604,677.87 × 236,967.08 - Step 4: Simplify right side
438,171.08x = 143,288,746,171.13 - Step 5: Solve for x
x = 143,288,746,171.13/438,171.08 - Step 6: Final answer
x = 327,015.53
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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.