Finding the Fourth Proportional to 346,329.20, 519,493.80 and 324,021.80
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Solution
The fourth proportional to 346,329.20, 519,493.80 and 324,021.80 is: 486,032.70
Step by Step Solution
- Step 1: Write the proportion equation
346,329.20 : 519,493.80 = 324,021.80 : x - Step 2: Convert to fraction form
346,329.20/519,493.80 = 324,021.80/x - Step 3: Cross multiply
346,329.20x = 519,493.80 × 324,021.80 - Step 4: Simplify right side
346,329.20x = 168,327,316,164.84 - Step 5: Solve for x
x = 168,327,316,164.84/346,329.20 - Step 6: Final answer
x = 486,032.70
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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.