Finding the Fourth Proportional to 389,823.26, 537,956.14 and 210,975.26
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Solution
The fourth proportional to 389,823.26, 537,956.14 and 210,975.26 is: 291,145.88
Step by Step Solution
- Step 1: Write the proportion equation
389,823.26 : 537,956.14 = 210,975.26 : x - Step 2: Convert to fraction form
389,823.26/537,956.14 = 210,975.26/x - Step 3: Cross multiply
389,823.26x = 537,956.14 × 210,975.26 - Step 4: Simplify right side
389,823.26x = 113,495,436,505.10 - Step 5: Solve for x
x = 113,495,436,505.10/389,823.26 - Step 6: Final answer
x = 291,145.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.