Finding the Fourth Proportional to 171,663.80, 257,495.70 and 162,915.80
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Solution
The fourth proportional to 171,663.80, 257,495.70 and 162,915.80 is: 244,373.70
Step by Step Solution
- Step 1: Write the proportion equation
171,663.80 : 257,495.70 = 162,915.80 : x - Step 2: Convert to fraction form
171,663.80/257,495.70 = 162,915.80/x - Step 3: Cross multiply
171,663.80x = 257,495.70 × 162,915.80 - Step 4: Simplify right side
171,663.80x = 41,950,117,962.06 - Step 5: Solve for x
x = 41,950,117,962.06/171,663.80 - Step 6: Final answer
x = 244,373.70
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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.