Finding the Fourth Proportional to 391,425.79, 587,135.58 and 232,602.43
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Solution
The fourth proportional to 391,425.79, 587,135.58 and 232,602.43 is: 348,901.80
Step by Step Solution
- Step 1: Write the proportion equation
391,425.79 : 587,135.58 = 232,602.43 : x - Step 2: Convert to fraction form
391,425.79/587,135.58 = 232,602.43/x - Step 3: Cross multiply
391,425.79x = 587,135.58 × 232,602.43 - Step 4: Simplify right side
391,425.79x = 136,569,162,647.46 - Step 5: Solve for x
x = 136,569,162,647.46/391,425.79 - Step 6: Final answer
x = 348,901.80
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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.