Finding the Fourth Proportional to 312,272.94, 430,937.70 and 169,032.92
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Solution
The fourth proportional to 312,272.94, 430,937.70 and 169,032.92 is: 233,265.99
Step by Step Solution
- Step 1: Write the proportion equation
312,272.94 : 430,937.70 = 169,032.92 : x - Step 2: Convert to fraction form
312,272.94/430,937.70 = 169,032.92/x - Step 3: Cross multiply
312,272.94x = 430,937.70 × 169,032.92 - Step 4: Simplify right side
312,272.94x = 72,842,657,769.08 - Step 5: Solve for x
x = 72,842,657,769.08/312,272.94 - Step 6: Final answer
x = 233,265.99
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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.