Finding the Fourth Proportional to 158,616.63, 237,897.95 and 51,998.49
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Solution
The fourth proportional to 158,616.63, 237,897.95 and 51,998.49 is: 77,988.88
Step by Step Solution
- Step 1: Write the proportion equation
158,616.63 : 237,897.95 = 51,998.49 : x - Step 2: Convert to fraction form
158,616.63/237,897.95 = 51,998.49/x - Step 3: Cross multiply
158,616.63x = 237,897.95 × 51,998.49 - Step 4: Simplify right side
158,616.63x = 12,370,333,914.10 - Step 5: Solve for x
x = 12,370,333,914.10/158,616.63 - Step 6: Final answer
x = 77,988.88
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1.5x scale
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.