Finding the Fourth Proportional to 346,089.80, 519,134.70 and 188,625.80
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Solution
The fourth proportional to 346,089.80, 519,134.70 and 188,625.80 is: 282,938.70
Step by Step Solution
- Step 1: Write the proportion equation
346,089.80 : 519,134.70 = 188,625.80 : x - Step 2: Convert to fraction form
346,089.80/519,134.70 = 188,625.80/x - Step 3: Cross multiply
346,089.80x = 519,134.70 × 188,625.80 - Step 4: Simplify right side
346,089.80x = 97,922,198,095.26 - Step 5: Solve for x
x = 97,922,198,095.26/346,089.80 - Step 6: Final answer
x = 282,938.70
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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.