Finding the Fourth Proportional to 176,653.40, 264,980.10 and 157,299.80
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Solution
The fourth proportional to 176,653.40, 264,980.10 and 157,299.80 is: 235,949.70
Step by Step Solution
- Step 1: Write the proportion equation
176,653.40 : 264,980.10 = 157,299.80 : x - Step 2: Convert to fraction form
176,653.40/264,980.10 = 157,299.80/x - Step 3: Cross multiply
176,653.40x = 264,980.10 × 157,299.80 - Step 4: Simplify right side
176,653.40x = 41,681,316,733.98 - Step 5: Solve for x
x = 41,681,316,733.98/176,653.40 - Step 6: Final answer
x = 235,949.70
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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.