Finding the Fourth Proportional to 291,653.49, 402,523.52 and 164,340.93
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Solution
The fourth proportional to 291,653.49, 402,523.52 and 164,340.93 is: 226,813.98
Step by Step Solution
- Step 1: Write the proportion equation
291,653.49 : 402,523.52 = 164,340.93 : x - Step 2: Convert to fraction form
291,653.49/402,523.52 = 164,340.93/x - Step 3: Cross multiply
291,653.49x = 402,523.52 × 164,340.93 - Step 4: Simplify right side
291,653.49x = 66,151,089,623.67 - Step 5: Solve for x
x = 66,151,089,623.67/291,653.49 - Step 6: Final answer
x = 226,813.98
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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.