Finding the Fourth Proportional to 170,503.69, 235,307.93 and 98,883.07
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Solution
The fourth proportional to 170,503.69, 235,307.93 and 98,883.07 is: 136,466.08
Step by Step Solution
- Step 1: Write the proportion equation
170,503.69 : 235,307.93 = 98,883.07 : x - Step 2: Convert to fraction form
170,503.69/235,307.93 = 98,883.07/x - Step 3: Cross multiply
170,503.69x = 235,307.93 × 98,883.07 - Step 4: Simplify right side
170,503.69x = 23,267,970,513.75 - Step 5: Solve for x
x = 23,267,970,513.75/170,503.69 - Step 6: Final answer
x = 136,466.08
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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.