Finding the Fourth Proportional to 372,636.19, 561,465.09 and 307,534.51
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Solution
The fourth proportional to 372,636.19, 561,465.09 and 307,534.51 is: 463,373.92
Step by Step Solution
- Step 1: Write the proportion equation
372,636.19 : 561,465.09 = 307,534.51 : x - Step 2: Convert to fraction form
372,636.19/561,465.09 = 307,534.51/x - Step 3: Cross multiply
372,636.19x = 561,465.09 × 307,534.51 - Step 4: Simplify right side
372,636.19x = 172,669,891,335.26 - Step 5: Solve for x
x = 172,669,891,335.26/372,636.19 - Step 6: Final answer
x = 463,373.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.