Finding the Fourth Proportional to 272,681.03, 409,042.05 and 72,996.99
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Solution
The fourth proportional to 272,681.03, 409,042.05 and 72,996.99 is: 109,500.97
Step by Step Solution
- Step 1: Write the proportion equation
272,681.03 : 409,042.05 = 72,996.99 : x - Step 2: Convert to fraction form
272,681.03/409,042.05 = 72,996.99/x - Step 3: Cross multiply
272,681.03x = 409,042.05 × 72,996.99 - Step 4: Simplify right side
272,681.03x = 29,858,838,068.44 - Step 5: Solve for x
x = 29,858,838,068.44/272,681.03 - Step 6: Final answer
x = 109,500.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.