Finding the Fourth Proportional to 403,705.36, 557,138.28 and 224,857.36
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Solution
The fourth proportional to 403,705.36, 557,138.28 and 224,857.36 is: 310,317.02
Step by Step Solution
- Step 1: Write the proportion equation
403,705.36 : 557,138.28 = 224,857.36 : x - Step 2: Convert to fraction form
403,705.36/557,138.28 = 224,857.36/x - Step 3: Cross multiply
403,705.36x = 557,138.28 × 224,857.36 - Step 4: Simplify right side
403,705.36x = 125,276,642,795.74 - Step 5: Solve for x
x = 125,276,642,795.74/403,705.36 - Step 6: Final answer
x = 310,317.02
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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.