Finding the Fourth Proportional to 173,647.60, 239,588.89 and 102,013.63
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Solution
The fourth proportional to 173,647.60, 239,588.89 and 102,013.63 is: 140,752.49
Step by Step Solution
- Step 1: Write the proportion equation
173,647.60 : 239,588.89 = 102,013.63 : x - Step 2: Convert to fraction form
173,647.60/239,588.89 = 102,013.63/x - Step 3: Cross multiply
173,647.60x = 239,588.89 × 102,013.63 - Step 4: Simplify right side
173,647.60x = 24,441,331,522.56 - Step 5: Solve for x
x = 24,441,331,522.56/173,647.60 - Step 6: Final answer
x = 140,752.49
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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.