Finding the Fourth Proportional to 291,575.02, 402,365.91 and 164,243.02
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Solution
The fourth proportional to 291,575.02, 402,365.91 and 164,243.02 is: 226,651.08
Step by Step Solution
- Step 1: Write the proportion equation
291,575.02 : 402,365.91 = 164,243.02 : x - Step 2: Convert to fraction form
291,575.02/402,365.91 = 164,243.02/x - Step 3: Cross multiply
291,575.02x = 402,365.91 × 164,243.02 - Step 4: Simplify right side
291,575.02x = 66,085,792,203.45 - Step 5: Solve for x
x = 66,085,792,203.45/291,575.02 - Step 6: Final answer
x = 226,651.08
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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.