Finding the Fourth Proportional to 415,401.68, 572,877.96 and 272,109.44
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Solution
The fourth proportional to 415,401.68, 572,877.96 and 272,109.44 is: 375,264.49
Step by Step Solution
- Step 1: Write the proportion equation
415,401.68 : 572,877.96 = 272,109.44 : x - Step 2: Convert to fraction form
415,401.68/572,877.96 = 272,109.44/x - Step 3: Cross multiply
415,401.68x = 572,877.96 × 272,109.44 - Step 4: Simplify right side
415,401.68x = 155,885,500,883.94 - Step 5: Solve for x
x = 155,885,500,883.94/415,401.68 - Step 6: Final answer
x = 375,264.49
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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.