Finding the Fourth Proportional to 336,646.58, 464,152.07 and 215,588.84
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Solution
The fourth proportional to 336,646.58, 464,152.07 and 215,588.84 is: 297,243.50
Step by Step Solution
- Step 1: Write the proportion equation
336,646.58 : 464,152.07 = 215,588.84 : x - Step 2: Convert to fraction form
336,646.58/464,152.07 = 215,588.84/x - Step 3: Cross multiply
336,646.58x = 464,152.07 × 215,588.84 - Step 4: Simplify right side
336,646.58x = 100,066,006,313.68 - Step 5: Solve for x
x = 100,066,006,313.68/336,646.58 - Step 6: Final answer
x = 297,243.50
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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.