Finding the Fourth Proportional to 305,051.94, 420,829.29 and 191,937.06
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Solution
The fourth proportional to 305,051.94, 420,829.29 and 191,937.06 is: 264,783.55
Step by Step Solution
- Step 1: Write the proportion equation
305,051.94 : 420,829.29 = 191,937.06 : x - Step 2: Convert to fraction form
305,051.94/420,829.29 = 191,937.06/x - Step 3: Cross multiply
305,051.94x = 420,829.29 × 191,937.06 - Step 4: Simplify right side
305,051.94x = 80,772,736,684.49 - Step 5: Solve for x
x = 80,772,736,684.49/305,051.94 - Step 6: Final answer
x = 264,783.55
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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.