Finding the Fourth Proportional to 428,352.04, 591,129.33 and 237,368.62
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Solution
The fourth proportional to 428,352.04, 591,129.33 and 237,368.62 is: 327,570.64
Step by Step Solution
- Step 1: Write the proportion equation
428,352.04 : 591,129.33 = 237,368.62 : x - Step 2: Convert to fraction form
428,352.04/591,129.33 = 237,368.62/x - Step 3: Cross multiply
428,352.04x = 591,129.33 × 237,368.62 - Step 4: Simplify right side
428,352.04x = 140,315,550,347.98 - Step 5: Solve for x
x = 140,315,550,347.98/428,352.04 - Step 6: Final answer
x = 327,570.64
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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.