Finding the Fourth Proportional to 193,977.79, 290,894.09 and 67,585.59
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Solution
The fourth proportional to 193,977.79, 290,894.09 and 67,585.59 is: 101,353.09
Step by Step Solution
- Step 1: Write the proportion equation
193,977.79 : 290,894.09 = 67,585.59 : x - Step 2: Convert to fraction form
193,977.79/290,894.09 = 67,585.59/x - Step 3: Cross multiply
193,977.79x = 290,894.09 × 67,585.59 - Step 4: Simplify right side
193,977.79x = 19,660,248,362.24 - Step 5: Solve for x
x = 19,660,248,362.24/193,977.79 - Step 6: Final answer
x = 101,353.09
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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.