Finding the Fourth Proportional to 212,745.47, 293,588.12 and 117,252.14
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Solution
The fourth proportional to 212,745.47, 293,588.12 and 117,252.14 is: 161,807.60
Step by Step Solution
- Step 1: Write the proportion equation
212,745.47 : 293,588.12 = 117,252.14 : x - Step 2: Convert to fraction form
212,745.47/293,588.12 = 117,252.14/x - Step 3: Cross multiply
212,745.47x = 293,588.12 × 117,252.14 - Step 4: Simplify right side
212,745.47x = 34,423,833,294.38 - Step 5: Solve for x
x = 34,423,833,294.38/212,745.47 - Step 6: Final answer
x = 161,807.60
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1.5x scale
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.