Finding the Fourth Proportional to 115,089.08, 172,657.28 and 48,529.40
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Solution
The fourth proportional to 115,089.08, 172,657.28 and 48,529.40 is: 72,804.07
Step by Step Solution
- Step 1: Write the proportion equation
115,089.08 : 172,657.28 = 48,529.40 : x - Step 2: Convert to fraction form
115,089.08/172,657.28 = 48,529.40/x - Step 3: Cross multiply
115,089.08x = 172,657.28 × 48,529.40 - Step 4: Simplify right side
115,089.08x = 8,378,953,098.10 - Step 5: Solve for x
x = 8,378,953,098.10/115,089.08 - Step 6: Final answer
x = 72,804.07
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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.