Finding the Fourth Proportional to 178,235.10, 245,941.11 and 106,588.98
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Solution
The fourth proportional to 178,235.10, 245,941.11 and 106,588.98 is: 147,078.84
Step by Step Solution
- Step 1: Write the proportion equation
178,235.10 : 245,941.11 = 106,588.98 : x - Step 2: Convert to fraction form
178,235.10/245,941.11 = 106,588.98/x - Step 3: Cross multiply
178,235.10x = 245,941.11 × 106,588.98 - Step 4: Simplify right side
178,235.10x = 26,214,612,054.97 - Step 5: Solve for x
x = 26,214,612,054.97/178,235.10 - Step 6: Final answer
x = 147,078.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.