Finding the Fourth Proportional to 381,646.08, 572,684.18 and 351,531.09
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Solution
The fourth proportional to 381,646.08, 572,684.18 and 351,531.09 is: 527,494.72
Step by Step Solution
- Step 1: Write the proportion equation
381,646.08 : 572,684.18 = 351,531.09 : x - Step 2: Convert to fraction form
381,646.08/572,684.18 = 351,531.09/x - Step 3: Cross multiply
381,646.08x = 572,684.18 × 351,531.09 - Step 4: Simplify right side
381,646.08x = 201,316,292,263.50 - Step 5: Solve for x
x = 201,316,292,263.50/381,646.08 - Step 6: Final answer
x = 527,494.72
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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.