Finding the Fourth Proportional to 438,438.07, 657,254.62 and 157,887.19
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Solution
The fourth proportional to 438,438.07, 657,254.62 and 157,887.19 is: 236,685.84
Step by Step Solution
- Step 1: Write the proportion equation
438,438.07 : 657,254.62 = 157,887.19 : x - Step 2: Convert to fraction form
438,438.07/657,254.62 = 157,887.19/x - Step 3: Cross multiply
438,438.07x = 657,254.62 × 157,887.19 - Step 4: Simplify right side
438,438.07x = 103,772,085,066.32 - Step 5: Solve for x
x = 103,772,085,066.32/438,438.07 - Step 6: Final answer
x = 236,685.84
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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.