Finding the Fourth Proportional to 203,143.04, 280,338.18 and 112,497.02
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Solution
The fourth proportional to 203,143.04, 280,338.18 and 112,497.02 is: 155,246.32
Step by Step Solution
- Step 1: Write the proportion equation
203,143.04 : 280,338.18 = 112,497.02 : x - Step 2: Convert to fraction form
203,143.04/280,338.18 = 112,497.02/x - Step 3: Cross multiply
203,143.04x = 280,338.18 × 112,497.02 - Step 4: Simplify right side
203,143.04x = 31,537,209,842.22 - Step 5: Solve for x
x = 31,537,209,842.22/203,143.04 - Step 6: Final answer
x = 155,246.32
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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.