Finding the Fourth Proportional to 291,753.36, 402,754.15 and 170,877.96
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Solution
The fourth proportional to 291,753.36, 402,754.15 and 170,877.96 is: 235,890.37
Step by Step Solution
- Step 1: Write the proportion equation
291,753.36 : 402,754.15 = 170,877.96 : x - Step 2: Convert to fraction form
291,753.36/402,754.15 = 170,877.96/x - Step 3: Cross multiply
291,753.36x = 402,754.15 × 170,877.96 - Step 4: Simplify right side
291,753.36x = 68,821,807,533.53 - Step 5: Solve for x
x = 68,821,807,533.53/291,753.36 - Step 6: Final answer
x = 235,890.37
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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.