Finding the Fourth Proportional to 232,671.69, 348,318.63 and 143,638.92
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Solution
The fourth proportional to 232,671.69, 348,318.63 and 143,638.92 is: 215,033.09
Step by Step Solution
- Step 1: Write the proportion equation
232,671.69 : 348,318.63 = 143,638.92 : x - Step 2: Convert to fraction form
232,671.69/348,318.63 = 143,638.92/x - Step 3: Cross multiply
232,671.69x = 348,318.63 × 143,638.92 - Step 4: Simplify right side
232,671.69x = 50,032,111,829.08 - Step 5: Solve for x
x = 50,032,111,829.08/232,671.69 - Step 6: Final answer
x = 215,033.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.