Finding the Fourth Proportional to 191,460.79, 264,213.71 and 105,417.97
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Solution
The fourth proportional to 191,460.79, 264,213.71 and 105,417.97 is: 145,475.59
Step by Step Solution
- Step 1: Write the proportion equation
191,460.79 : 264,213.71 = 105,417.97 : x - Step 2: Convert to fraction form
191,460.79/264,213.71 = 105,417.97/x - Step 3: Cross multiply
191,460.79x = 264,213.71 × 105,417.97 - Step 4: Simplify right side
191,460.79x = 27,852,872,162.06 - Step 5: Solve for x
x = 27,852,872,162.06/191,460.79 - Step 6: Final answer
x = 145,475.59
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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.