Finding the Fourth Proportional to 164,421.10, 246,631.65 and 155,235.70
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Solution
The fourth proportional to 164,421.10, 246,631.65 and 155,235.70 is: 232,853.55
Step by Step Solution
- Step 1: Write the proportion equation
164,421.10 : 246,631.65 = 155,235.70 : x - Step 2: Convert to fraction form
164,421.10/246,631.65 = 155,235.70/x - Step 3: Cross multiply
164,421.10x = 246,631.65 × 155,235.70 - Step 4: Simplify right side
164,421.10x = 38,286,036,829.91 - Step 5: Solve for x
x = 38,286,036,829.91/164,421.10 - Step 6: Final answer
x = 232,853.55
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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.