Finding the Fourth Proportional to 463,911.08, 640,186.44 and 272,936.76
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Solution
The fourth proportional to 463,911.08, 640,186.44 and 272,936.76 is: 376,646.35
Step by Step Solution
- Step 1: Write the proportion equation
463,911.08 : 640,186.44 = 272,936.76 : x - Step 2: Convert to fraction form
463,911.08/640,186.44 = 272,936.76/x - Step 3: Cross multiply
463,911.08x = 640,186.44 × 272,936.76 - Step 4: Simplify right side
463,911.08x = 174,730,412,729.53 - Step 5: Solve for x
x = 174,730,412,729.53/463,911.08 - Step 6: Final answer
x = 376,646.35
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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.