Finding the Fourth Proportional to 319,035.06, 440,287.98 and 175,795.08
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Solution
The fourth proportional to 319,035.06, 440,287.98 and 175,795.08 is: 242,608.01
Step by Step Solution
- Step 1: Write the proportion equation
319,035.06 : 440,287.98 = 175,795.08 : x - Step 2: Convert to fraction form
319,035.06/440,287.98 = 175,795.08/x - Step 3: Cross multiply
319,035.06x = 440,287.98 × 175,795.08 - Step 4: Simplify right side
319,035.06x = 77,400,460,667.14 - Step 5: Solve for x
x = 77,400,460,667.14/319,035.06 - Step 6: Final answer
x = 242,608.01
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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.