Finding the Fourth Proportional to 165,068.28, 247,509.43 and 52,722.09
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Solution
The fourth proportional to 165,068.28, 247,509.43 and 52,722.09 is: 79,053.43
Step by Step Solution
- Step 1: Write the proportion equation
165,068.28 : 247,509.43 = 52,722.09 : x - Step 2: Convert to fraction form
165,068.28/247,509.43 = 52,722.09/x - Step 3: Cross multiply
165,068.28x = 247,509.43 × 52,722.09 - Step 4: Simplify right side
165,068.28x = 13,049,214,444.31 - Step 5: Solve for x
x = 13,049,214,444.31/165,068.28 - Step 6: Final answer
x = 79,053.43
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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.