Finding the Fourth Proportional to 191,587.63, 264,472.31 and 136,432.70
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Solution
The fourth proportional to 191,587.63, 264,472.31 and 136,432.70 is: 188,335.08
Step by Step Solution
- Step 1: Write the proportion equation
191,587.63 : 264,472.31 = 136,432.70 : x - Step 2: Convert to fraction form
191,587.63/264,472.31 = 136,432.70/x - Step 3: Cross multiply
191,587.63x = 264,472.31 × 136,432.70 - Step 4: Simplify right side
191,587.63x = 36,082,671,328.54 - Step 5: Solve for x
x = 36,082,671,328.54/191,587.63 - Step 6: Final answer
x = 188,335.08
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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.