Finding the Fourth Proportional to 478,977.14, 660,974.30 and 264,117.14
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Solution
The fourth proportional to 478,977.14, 660,974.30 and 264,117.14 is: 364,473.84
Step by Step Solution
- Step 1: Write the proportion equation
478,977.14 : 660,974.30 = 264,117.14 : x - Step 2: Convert to fraction form
478,977.14/660,974.30 = 264,117.14/x - Step 3: Cross multiply
478,977.14x = 660,974.30 × 264,117.14 - Step 4: Simplify right side
478,977.14x = 174,574,637,104.05 - Step 5: Solve for x
x = 174,574,637,104.05/478,977.14 - Step 6: Final answer
x = 364,473.84
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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.