Finding the Fourth Proportional to 391,554.68, 586,554.41 and 233,313.08
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Solution
The fourth proportional to 391,554.68, 586,554.41 and 233,313.08 is: 349,506.27
Step by Step Solution
- Step 1: Write the proportion equation
391,554.68 : 586,554.41 = 233,313.08 : x - Step 2: Convert to fraction form
391,554.68/586,554.41 = 233,313.08/x - Step 3: Cross multiply
391,554.68x = 586,554.41 × 233,313.08 - Step 4: Simplify right side
391,554.68x = 136,850,813,635.19 - Step 5: Solve for x
x = 136,850,813,635.19/391,554.68 - Step 6: Final answer
x = 349,506.27
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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.