Finding the Fourth Proportional to 153,076.41, 228,491.01 and 141,804.09
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Solution
The fourth proportional to 153,076.41, 228,491.01 and 141,804.09 is: 211,665.27
Step by Step Solution
- Step 1: Write the proportion equation
153,076.41 : 228,491.01 = 141,804.09 : x - Step 2: Convert to fraction form
153,076.41/228,491.01 = 141,804.09/x - Step 3: Cross multiply
153,076.41x = 228,491.01 × 141,804.09 - Step 4: Simplify right side
153,076.41x = 32,400,959,746.23 - Step 5: Solve for x
x = 32,400,959,746.23/153,076.41 - Step 6: Final answer
x = 211,665.27
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.