Finding the Fourth Proportional to 465,115.64, 697,676.18 and 165,607.79
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Solution
The fourth proportional to 465,115.64, 697,676.18 and 165,607.79 is: 248,412.65
Step by Step Solution
- Step 1: Write the proportion equation
465,115.64 : 697,676.18 = 165,607.79 : x - Step 2: Convert to fraction form
465,115.64/697,676.18 = 165,607.79/x - Step 3: Cross multiply
465,115.64x = 697,676.18 × 165,607.79 - Step 4: Simplify right side
465,115.64x = 115,540,605,989.02 - Step 5: Solve for x
x = 115,540,605,989.02/465,115.64 - Step 6: Final answer
x = 248,412.65
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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.