Finding the Fourth Proportional to 324,364.68, 486,398.79 and 99,646.79
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Solution
The fourth proportional to 324,364.68, 486,398.79 and 99,646.79 is: 149,424.64
Step by Step Solution
- Step 1: Write the proportion equation
324,364.68 : 486,398.79 = 99,646.79 : x - Step 2: Convert to fraction form
324,364.68/486,398.79 = 99,646.79/x - Step 3: Cross multiply
324,364.68x = 486,398.79 × 99,646.79 - Step 4: Simplify right side
324,364.68x = 48,468,075,651.39 - Step 5: Solve for x
x = 48,468,075,651.39/324,364.68 - Step 6: Final answer
x = 149,424.64
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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.