Finding the Fourth Proportional to 158,135.84, 237,197.76 and 39,805.64
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Solution
The fourth proportional to 158,135.84, 237,197.76 and 39,805.64 is: 59,706.95
Step by Step Solution
- Step 1: Write the proportion equation
158,135.84 : 237,197.76 = 39,805.64 : x - Step 2: Convert to fraction form
158,135.84/237,197.76 = 39,805.64/x - Step 3: Cross multiply
158,135.84x = 237,197.76 × 39,805.64 - Step 4: Simplify right side
158,135.84x = 9,441,808,643.37 - Step 5: Solve for x
x = 9,441,808,643.37/158,135.84 - Step 6: Final answer
x = 59,706.95
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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.