Finding the Fourth Proportional to 318,129.60, 476,069.04 and 233,689.44
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Solution
The fourth proportional to 318,129.60, 476,069.04 and 233,689.44 is: 349,707.50
Step by Step Solution
- Step 1: Write the proportion equation
318,129.60 : 476,069.04 = 233,689.44 : x - Step 2: Convert to fraction form
318,129.60/476,069.04 = 233,689.44/x - Step 3: Cross multiply
318,129.60x = 476,069.04 × 233,689.44 - Step 4: Simplify right side
318,129.60x = 111,252,307,358.94 - Step 5: Solve for x
x = 111,252,307,358.94/318,129.60 - Step 6: Final answer
x = 349,707.50
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1.5x scale
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.