Finding the Fourth Proportional to 463,905.08, 640,178.16 and 272,930.76
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Solution
The fourth proportional to 463,905.08, 640,178.16 and 272,930.76 is: 376,638.07
Step by Step Solution
- Step 1: Write the proportion equation
463,905.08 : 640,178.16 = 272,930.76 : x - Step 2: Convert to fraction form
463,905.08/640,178.16 = 272,930.76/x - Step 3: Cross multiply
463,905.08x = 640,178.16 × 272,930.76 - Step 4: Simplify right side
463,905.08x = 174,724,311,744.20 - Step 5: Solve for x
x = 174,724,311,744.20/463,905.08 - Step 6: Final answer
x = 376,638.07
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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.