Finding the Fourth Proportional to 547,938.14, 756,152.04 and 306,220.58
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Solution
The fourth proportional to 547,938.14, 756,152.04 and 306,220.58 is: 422,582.95
Step by Step Solution
- Step 1: Write the proportion equation
547,938.14 : 756,152.04 = 306,220.58 : x - Step 2: Convert to fraction form
547,938.14/756,152.04 = 306,220.58/x - Step 3: Cross multiply
547,938.14x = 756,152.04 × 306,220.58 - Step 4: Simplify right side
547,938.14x = 231,549,316,256.98 - Step 5: Solve for x
x = 231,549,316,256.98/547,938.14 - Step 6: Final answer
x = 422,582.95
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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.