Finding the Fourth Proportional to 165,636.99, 228,570.93 and 94,015.98
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Solution
The fourth proportional to 165,636.99, 228,570.93 and 94,015.98 is: 129,737.45
Step by Step Solution
- Step 1: Write the proportion equation
165,636.99 : 228,570.93 = 94,015.98 : x - Step 2: Convert to fraction form
165,636.99/228,570.93 = 94,015.98/x - Step 3: Cross multiply
165,636.99x = 228,570.93 × 94,015.98 - Step 4: Simplify right side
165,636.99x = 21,489,319,983.46 - Step 5: Solve for x
x = 21,489,319,983.46/165,636.99 - Step 6: Final answer
x = 129,737.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.