Finding the Fourth Proportional to 192,689.57, 289,140.14 and 97,927.93
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Solution
The fourth proportional to 192,689.57, 289,140.14 and 97,927.93 is: 146,945.65
Step by Step Solution
- Step 1: Write the proportion equation
192,689.57 : 289,140.14 = 97,927.93 : x - Step 2: Convert to fraction form
192,689.57/289,140.14 = 97,927.93/x - Step 3: Cross multiply
192,689.57x = 289,140.14 × 97,927.93 - Step 4: Simplify right side
192,689.57x = 28,314,894,177.62 - Step 5: Solve for x
x = 28,314,894,177.62/192,689.57 - Step 6: Final answer
x = 146,945.65
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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.