Finding the Fourth Proportional to 335,501.26, 463,271.09 and 311,160.47
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Solution
The fourth proportional to 335,501.26, 463,271.09 and 311,160.47 is: 429,660.53
Step by Step Solution
- Step 1: Write the proportion equation
335,501.26 : 463,271.09 = 311,160.47 : x - Step 2: Convert to fraction form
335,501.26/463,271.09 = 311,160.47/x - Step 3: Cross multiply
335,501.26x = 463,271.09 × 311,160.47 - Step 4: Simplify right side
335,501.26x = 144,151,650,101.81 - Step 5: Solve for x
x = 144,151,650,101.81/335,501.26 - Step 6: Final answer
x = 429,660.53
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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.