Finding the Fourth Proportional to 166,315.09, 249,630.36 and 102,943.53
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Solution
The fourth proportional to 166,315.09, 249,630.36 and 102,943.53 is: 154,512.92
Step by Step Solution
- Step 1: Write the proportion equation
166,315.09 : 249,630.36 = 102,943.53 : x - Step 2: Convert to fraction form
166,315.09/249,630.36 = 102,943.53/x - Step 3: Cross multiply
166,315.09x = 249,630.36 × 102,943.53 - Step 4: Simplify right side
166,315.09x = 25,697,830,453.57 - Step 5: Solve for x
x = 25,697,830,453.57/166,315.09 - Step 6: Final answer
x = 154,512.92
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1.5x scale
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.