Finding the Fourth Proportional to 478,551.06, 660,397.05 and 263,686.02
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Solution
The fourth proportional to 478,551.06, 660,397.05 and 263,686.02 is: 363,884.83
Step by Step Solution
- Step 1: Write the proportion equation
478,551.06 : 660,397.05 = 263,686.02 : x - Step 2: Convert to fraction form
478,551.06/660,397.05 = 263,686.02/x - Step 3: Cross multiply
478,551.06x = 660,397.05 × 263,686.02 - Step 4: Simplify right side
478,551.06x = 174,137,469,734.24 - Step 5: Solve for x
x = 174,137,469,734.24/478,551.06 - Step 6: Final answer
x = 363,884.83
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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.