Finding the Fourth Proportional to 408,258.93, 563,365.42 and 226,959.82
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Solution
The fourth proportional to 408,258.93, 563,365.42 and 226,959.82 is: 313,186.82
Step by Step Solution
- Step 1: Write the proportion equation
408,258.93 : 563,365.42 = 226,959.82 : x - Step 2: Convert to fraction form
408,258.93/563,365.42 = 226,959.82/x - Step 3: Cross multiply
408,258.93x = 563,365.42 × 226,959.82 - Step 4: Simplify right side
408,258.93x = 127,861,314,317.42 - Step 5: Solve for x
x = 127,861,314,317.42/408,258.93 - Step 6: Final answer
x = 313,186.82
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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.