Finding the Fourth Proportional to 478,354.94, 660,126.74 and 263,490.02
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Solution
The fourth proportional to 478,354.94, 660,126.74 and 263,490.02 is: 363,614.53
Step by Step Solution
- Step 1: Write the proportion equation
478,354.94 : 660,126.74 = 263,490.02 : x - Step 2: Convert to fraction form
478,354.94/660,126.74 = 263,490.02/x - Step 3: Cross multiply
478,354.94x = 660,126.74 × 263,490.02 - Step 4: Simplify right side
478,354.94x = 173,936,807,925.14 - Step 5: Solve for x
x = 173,936,807,925.14/478,354.94 - Step 6: Final answer
x = 363,614.53
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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.