Finding the Fourth Proportional to 228,424.63, 315,368.97 and 146,785.94
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Solution
The fourth proportional to 228,424.63, 315,368.97 and 146,785.94 is: 202,656.48
Step by Step Solution
- Step 1: Write the proportion equation
228,424.63 : 315,368.97 = 146,785.94 : x - Step 2: Convert to fraction form
228,424.63/315,368.97 = 146,785.94/x - Step 3: Cross multiply
228,424.63x = 315,368.97 × 146,785.94 - Step 4: Simplify right side
228,424.63x = 46,291,730,708.28 - Step 5: Solve for x
x = 46,291,730,708.28/228,424.63 - Step 6: Final answer
x = 202,656.48
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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.