Finding the Fourth Proportional to 346,721.63, 478,475.84 and 187,745.63
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Solution
The fourth proportional to 346,721.63, 478,475.84 and 187,745.63 is: 259,088.96
Step by Step Solution
- Step 1: Write the proportion equation
346,721.63 : 478,475.84 = 187,745.63 : x - Step 2: Convert to fraction form
346,721.63/478,475.84 = 187,745.63/x - Step 3: Cross multiply
346,721.63x = 478,475.84 × 187,745.63 - Step 4: Simplify right side
346,721.63x = 89,831,746,097.56 - Step 5: Solve for x
x = 89,831,746,097.56/346,721.63 - Step 6: Final answer
x = 259,088.96
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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.