Finding the Fourth Proportional to 463,911.58, 640,187.10 and 272,937.26
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Solution
The fourth proportional to 463,911.58, 640,187.10 and 272,937.26 is: 376,647.02
Step by Step Solution
- Step 1: Write the proportion equation
463,911.58 : 640,187.10 = 272,937.26 : x - Step 2: Convert to fraction form
463,911.58/640,187.10 = 272,937.26/x - Step 3: Cross multiply
463,911.58x = 640,187.10 × 272,937.26 - Step 4: Simplify right side
463,911.58x = 174,730,912,961.35 - Step 5: Solve for x
x = 174,730,912,961.35/463,911.58 - Step 6: Final answer
x = 376,647.02
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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.