Finding the Fourth Proportional to 135,235.63, 202,612.87 and 115,312.06
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Solution
The fourth proportional to 135,235.63, 202,612.87 and 115,312.06 is: 172,762.95
Step by Step Solution
- Step 1: Write the proportion equation
135,235.63 : 202,612.87 = 115,312.06 : x - Step 2: Convert to fraction form
135,235.63/202,612.87 = 115,312.06/x - Step 3: Cross multiply
135,235.63x = 202,612.87 × 115,312.06 - Step 4: Simplify right side
135,235.63x = 23,363,705,832.59 - Step 5: Solve for x
x = 23,363,705,832.59/135,235.63 - Step 6: Final answer
x = 172,762.95
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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.