Finding the Fourth Proportional to 231,202.63, 346,803.94 and 64,990.63
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Solution
The fourth proportional to 231,202.63, 346,803.94 and 64,990.63 is: 97,485.94
Step by Step Solution
- Step 1: Write the proportion equation
231,202.63 : 346,803.94 = 64,990.63 : x - Step 2: Convert to fraction form
231,202.63/346,803.94 = 64,990.63/x - Step 3: Cross multiply
231,202.63x = 346,803.94 × 64,990.63 - Step 4: Simplify right side
231,202.63x = 22,539,006,547.08 - Step 5: Solve for x
x = 22,539,006,547.08/231,202.63 - Step 6: Final answer
x = 97,485.94
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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.