Finding the Fourth Proportional to 291,752.36, 402,752.77 and 170,876.96
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Solution
The fourth proportional to 291,752.36, 402,752.77 and 170,876.96 is: 235,888.99
Step by Step Solution
- Step 1: Write the proportion equation
291,752.36 : 402,752.77 = 170,876.96 : x - Step 2: Convert to fraction form
291,752.36/402,752.77 = 170,876.96/x - Step 3: Cross multiply
291,752.36x = 402,752.77 × 170,876.96 - Step 4: Simplify right side
291,752.36x = 68,821,168,969.18 - Step 5: Solve for x
x = 68,821,168,969.18/291,752.36 - Step 6: Final answer
x = 235,888.99
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1.5x scale
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.