Finding the Fourth Proportional to 291,873.24, 437,773.63 and 78,657.83
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Solution
The fourth proportional to 291,873.24, 437,773.63 and 78,657.83 is: 117,976.99
Step by Step Solution
- Step 1: Write the proportion equation
291,873.24 : 437,773.63 = 78,657.83 : x - Step 2: Convert to fraction form
291,873.24/437,773.63 = 78,657.83/x - Step 3: Cross multiply
291,873.24x = 437,773.63 × 78,657.83 - Step 4: Simplify right side
291,873.24x = 34,434,325,633.12 - Step 5: Solve for x
x = 34,434,325,633.12/291,873.24 - Step 6: Final answer
x = 117,976.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.