Finding the Fourth Proportional to 408,676.88, 563,968.68 and 229,828.88
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Solution
The fourth proportional to 408,676.88, 563,968.68 and 229,828.88 is: 317,160.81
Step by Step Solution
- Step 1: Write the proportion equation
408,676.88 : 563,968.68 = 229,828.88 : x - Step 2: Convert to fraction form
408,676.88/563,968.68 = 229,828.88/x - Step 3: Cross multiply
408,676.88x = 563,968.68 × 229,828.88 - Step 4: Simplify right side
408,676.88x = 129,616,290,079.48 - Step 5: Solve for x
x = 129,616,290,079.48/408,676.88 - Step 6: Final answer
x = 317,160.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.