Finding the Fourth Proportional to 478,110.84, 715,649.34 and 267,109.08
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Solution
The fourth proportional to 478,110.84, 715,649.34 and 267,109.08 is: 399,816.15
Step by Step Solution
- Step 1: Write the proportion equation
478,110.84 : 715,649.34 = 267,109.08 : x - Step 2: Convert to fraction form
478,110.84/715,649.34 = 267,109.08/x - Step 3: Cross multiply
478,110.84x = 715,649.34 × 267,109.08 - Step 4: Simplify right side
478,110.84x = 191,156,436,810.01 - Step 5: Solve for x
x = 191,156,436,810.01/478,110.84 - Step 6: Final answer
x = 399,816.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.