Finding the Fourth Proportional to 429,220.15, 592,338.42 and 235,643.31
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Solution
The fourth proportional to 429,220.15, 592,338.42 and 235,643.31 is: 325,195.79
Step by Step Solution
- Step 1: Write the proportion equation
429,220.15 : 592,338.42 = 235,643.31 : x - Step 2: Convert to fraction form
429,220.15/592,338.42 = 235,643.31/x - Step 3: Cross multiply
429,220.15x = 592,338.42 × 235,643.31 - Step 4: Simplify right side
429,220.15x = 139,580,585,928.97 - Step 5: Solve for x
x = 139,580,585,928.97/429,220.15 - Step 6: Final answer
x = 325,195.79
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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.