Finding the Fourth Proportional to 277,331.18, 382,684.12 and 156,465.41
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Solution
The fourth proportional to 277,331.18, 382,684.12 and 156,465.41 is: 215,903.70
Step by Step Solution
- Step 1: Write the proportion equation
277,331.18 : 382,684.12 = 156,465.41 : x - Step 2: Convert to fraction form
277,331.18/382,684.12 = 156,465.41/x - Step 3: Cross multiply
277,331.18x = 382,684.12 × 156,465.41 - Step 4: Simplify right side
277,331.18x = 59,876,828,301.84 - Step 5: Solve for x
x = 59,876,828,301.84/277,331.18 - Step 6: Final answer
x = 215,903.70
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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.