Finding the Fourth Proportional to 316,528.08, 436,806.62 and 173,290.52
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Solution
The fourth proportional to 316,528.08, 436,806.62 and 173,290.52 is: 239,139.75
Step by Step Solution
- Step 1: Write the proportion equation
316,528.08 : 436,806.62 = 173,290.52 : x - Step 2: Convert to fraction form
316,528.08/436,806.62 = 173,290.52/x - Step 3: Cross multiply
316,528.08x = 436,806.62 × 173,290.52 - Step 4: Simplify right side
316,528.08x = 75,694,446,319.24 - Step 5: Solve for x
x = 75,694,446,319.24/316,528.08 - Step 6: Final answer
x = 239,139.75
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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.