Finding the Fourth Proportional to 346,728.71, 520,055.80 and 235,125.29
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Solution
The fourth proportional to 346,728.71, 520,055.80 and 235,125.29 is: 352,662.66
Step by Step Solution
- Step 1: Write the proportion equation
346,728.71 : 520,055.80 = 235,125.29 : x - Step 2: Convert to fraction form
346,728.71/520,055.80 = 235,125.29/x - Step 3: Cross multiply
346,728.71x = 520,055.80 × 235,125.29 - Step 4: Simplify right side
346,728.71x = 122,278,270,791.18 - Step 5: Solve for x
x = 122,278,270,791.18/346,728.71 - Step 6: Final answer
x = 352,662.66
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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.