Finding the Fourth Proportional to 153,431.84, 230,114.96 and 48,226.20
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Solution
The fourth proportional to 153,431.84, 230,114.96 and 48,226.20 is: 72,328.99
Step by Step Solution
- Step 1: Write the proportion equation
153,431.84 : 230,114.96 = 48,226.20 : x - Step 2: Convert to fraction form
153,431.84/230,114.96 = 48,226.20/x - Step 3: Cross multiply
153,431.84x = 230,114.96 × 48,226.20 - Step 4: Simplify right side
153,431.84x = 11,097,570,083.95 - Step 5: Solve for x
x = 11,097,570,083.95/153,431.84 - Step 6: Final answer
x = 72,328.99
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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.