Finding the Fourth Proportional to 425,602.01, 639,126.14 and 284,354.96
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Solution
The fourth proportional to 425,602.01, 639,126.14 and 284,354.96 is: 427,015.56
Step by Step Solution
- Step 1: Write the proportion equation
425,602.01 : 639,126.14 = 284,354.96 : x - Step 2: Convert to fraction form
425,602.01/639,126.14 = 284,354.96/x - Step 3: Cross multiply
425,602.01x = 639,126.14 × 284,354.96 - Step 4: Simplify right side
425,602.01x = 181,738,683,357.25 - Step 5: Solve for x
x = 181,738,683,357.25/425,602.01 - Step 6: Final answer
x = 427,015.56
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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.