Finding the Fourth Proportional to 216,931.90, 325,607.75 and 104,691.13
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Solution
The fourth proportional to 216,931.90, 325,607.75 and 104,691.13 is: 157,137.99
Step by Step Solution
- Step 1: Write the proportion equation
216,931.90 : 325,607.75 = 104,691.13 : x - Step 2: Convert to fraction form
216,931.90/325,607.75 = 104,691.13/x - Step 3: Cross multiply
216,931.90x = 325,607.75 × 104,691.13 - Step 4: Simplify right side
216,931.90x = 34,088,242,731.97 - Step 5: Solve for x
x = 34,088,242,731.97/216,931.90 - Step 6: Final answer
x = 157,137.99
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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.