Finding the Fourth Proportional to 314,228.97, 471,417.29 and 103,866.92
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Solution
The fourth proportional to 314,228.97, 471,417.29 and 103,866.92 is: 155,824.79
Step by Step Solution
- Step 1: Write the proportion equation
314,228.97 : 471,417.29 = 103,866.92 : x - Step 2: Convert to fraction form
314,228.97/471,417.29 = 103,866.92/x - Step 3: Cross multiply
314,228.97x = 471,417.29 × 103,866.92 - Step 4: Simplify right side
314,228.97x = 48,964,661,947.05 - Step 5: Solve for x
x = 48,964,661,947.05/314,228.97 - Step 6: Final answer
x = 155,824.79
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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.