Finding the Fourth Proportional to 372,881.21, 514,561.55 and 227,929.68
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Solution
The fourth proportional to 372,881.21, 514,561.55 and 227,929.68 is: 314,534.08
Step by Step Solution
- Step 1: Write the proportion equation
372,881.21 : 514,561.55 = 227,929.68 : x - Step 2: Convert to fraction form
372,881.21/514,561.55 = 227,929.68/x - Step 3: Cross multiply
372,881.21x = 514,561.55 × 227,929.68 - Step 4: Simplify right side
372,881.21x = 117,283,848,292.16 - Step 5: Solve for x
x = 117,283,848,292.16/372,881.21 - Step 6: Final answer
x = 314,534.08
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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.