Finding the Fourth Proportional to 692,974.50, 1,039,461.79 and 167,662.50
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Solution
The fourth proportional to 692,974.50, 1,039,461.79 and 167,662.50 is: 251,493.76
Step by Step Solution
- Step 1: Write the proportion equation
692,974.50 : 1,039,461.79 = 167,662.50 : x - Step 2: Convert to fraction form
692,974.50/1,039,461.79 = 167,662.50/x - Step 3: Cross multiply
692,974.50x = 1,039,461.79 × 167,662.50 - Step 4: Simplify right side
692,974.50x = 174,278,762,365.88 - Step 5: Solve for x
x = 174,278,762,365.88/692,974.50 - Step 6: Final answer
x = 251,493.76
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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.