Finding the Fourth Proportional to 316,806.76, 437,193.68 and 173,575.96
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Solution
The fourth proportional to 316,806.76, 437,193.68 and 173,575.96 is: 239,535.02
Step by Step Solution
- Step 1: Write the proportion equation
316,806.76 : 437,193.68 = 173,575.96 : x - Step 2: Convert to fraction form
316,806.76/437,193.68 = 173,575.96/x - Step 3: Cross multiply
316,806.76x = 437,193.68 × 173,575.96 - Step 4: Simplify right side
316,806.76x = 75,886,312,711.93 - Step 5: Solve for x
x = 75,886,312,711.93/316,806.76 - Step 6: Final answer
x = 239,535.02
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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.