Finding the Fourth Proportional to 319,142.06, 440,418.10 and 175,902.12
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Solution
The fourth proportional to 319,142.06, 440,418.10 and 175,902.12 is: 242,746.06
Step by Step Solution
- Step 1: Write the proportion equation
319,142.06 : 440,418.10 = 175,902.12 : x - Step 2: Convert to fraction form
319,142.06/440,418.10 = 175,902.12/x - Step 3: Cross multiply
319,142.06x = 440,418.10 × 175,902.12 - Step 4: Simplify right side
319,142.06x = 77,470,477,476.37 - Step 5: Solve for x
x = 77,470,477,476.37/319,142.06 - Step 6: Final answer
x = 242,746.06
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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.