Finding the Fourth Proportional to 342,989.65, 514,503.92 and 106,365.97
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Solution
The fourth proportional to 342,989.65, 514,503.92 and 106,365.97 is: 159,554.99
Step by Step Solution
- Step 1: Write the proportion equation
342,989.65 : 514,503.92 = 106,365.97 : x - Step 2: Convert to fraction form
342,989.65/514,503.92 = 106,365.97/x - Step 3: Cross multiply
342,989.65x = 514,503.92 × 106,365.97 - Step 4: Simplify right side
342,989.65x = 54,725,708,519.60 - Step 5: Solve for x
x = 54,725,708,519.60/342,989.65 - Step 6: Final answer
x = 159,554.99
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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.