Finding the Fourth Proportional to 124,214.41, 186,295.47 and 39,982.09
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Solution
The fourth proportional to 124,214.41, 186,295.47 and 39,982.09 is: 59,964.72
Step by Step Solution
- Step 1: Write the proportion equation
124,214.41 : 186,295.47 = 39,982.09 : x - Step 2: Convert to fraction form
124,214.41/186,295.47 = 39,982.09/x - Step 3: Cross multiply
124,214.41x = 186,295.47 × 39,982.09 - Step 4: Simplify right side
124,214.41x = 7,448,482,248.13 - Step 5: Solve for x
x = 7,448,482,248.13/124,214.41 - Step 6: Final answer
x = 59,964.72
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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.