Finding the Fourth Proportional to 291,577.23, 402,511.65 and 205,606.26
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Solution
The fourth proportional to 291,577.23, 402,511.65 and 205,606.26 is: 283,831.89
Step by Step Solution
- Step 1: Write the proportion equation
291,577.23 : 402,511.65 = 205,606.26 : x - Step 2: Convert to fraction form
291,577.23/402,511.65 = 205,606.26/x - Step 3: Cross multiply
291,577.23x = 402,511.65 × 205,606.26 - Step 4: Simplify right side
291,577.23x = 82,758,914,962.93 - Step 5: Solve for x
x = 82,758,914,962.93/291,577.23 - Step 6: Final answer
x = 283,831.89
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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.