Finding the Fourth Proportional to 291,916.16, 402,611.04 and 201,251.33
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Solution
The fourth proportional to 291,916.16, 402,611.04 and 201,251.33 is: 277,566.02
Step by Step Solution
- Step 1: Write the proportion equation
291,916.16 : 402,611.04 = 201,251.33 : x - Step 2: Convert to fraction form
291,916.16/402,611.04 = 201,251.33/x - Step 3: Cross multiply
291,916.16x = 402,611.04 × 201,251.33 - Step 4: Simplify right side
291,916.16x = 81,026,005,259.63 - Step 5: Solve for x
x = 81,026,005,259.63/291,916.16 - Step 6: Final answer
x = 277,566.02
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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.