Finding the Fourth Proportional to 165,134.30, 247,623.35 and 63,979.74
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Solution
The fourth proportional to 165,134.30, 247,623.35 and 63,979.74 is: 95,939.35
Step by Step Solution
- Step 1: Write the proportion equation
165,134.30 : 247,623.35 = 63,979.74 : x - Step 2: Convert to fraction form
165,134.30/247,623.35 = 63,979.74/x - Step 3: Cross multiply
165,134.30x = 247,623.35 × 63,979.74 - Step 4: Simplify right side
165,134.30x = 15,842,877,231.03 - Step 5: Solve for x
x = 15,842,877,231.03/165,134.30 - Step 6: Final answer
x = 95,939.35
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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.