Finding the Fourth Proportional to 447,402.91, 671,104.39 and 368,351.07
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Solution
The fourth proportional to 447,402.91, 671,104.39 and 368,351.07 is: 552,526.63
Step by Step Solution
- Step 1: Write the proportion equation
447,402.91 : 671,104.39 = 368,351.07 : x - Step 2: Convert to fraction form
447,402.91/671,104.39 = 368,351.07/x - Step 3: Cross multiply
447,402.91x = 671,104.39 × 368,351.07 - Step 4: Simplify right side
447,402.91x = 247,202,020,138.20 - Step 5: Solve for x
x = 247,202,020,138.20/447,402.91 - Step 6: Final answer
x = 552,526.63
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1.5x scale
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.