Finding the Fourth Proportional to 291,526.08, 437,289.60 and 81,163.92
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Solution
The fourth proportional to 291,526.08, 437,289.60 and 81,163.92 is: 121,746.01
Step by Step Solution
- Step 1: Write the proportion equation
291,526.08 : 437,289.60 = 81,163.92 : x - Step 2: Convert to fraction form
291,526.08/437,289.60 = 81,163.92/x - Step 3: Cross multiply
291,526.08x = 437,289.60 × 81,163.92 - Step 4: Simplify right side
291,526.08x = 35,492,138,111.23 - Step 5: Solve for x
x = 35,492,138,111.23/291,526.08 - Step 6: Final answer
x = 121,746.01
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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.