Finding the Fourth Proportional to 156,392.70, 234,553.06 and 93,230.65
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Solution
The fourth proportional to 156,392.70, 234,553.06 and 93,230.65 is: 139,824.52
Step by Step Solution
- Step 1: Write the proportion equation
156,392.70 : 234,553.06 = 93,230.65 : x - Step 2: Convert to fraction form
156,392.70/234,553.06 = 93,230.65/x - Step 3: Cross multiply
156,392.70x = 234,553.06 × 93,230.65 - Step 4: Simplify right side
156,392.70x = 21,867,534,243.29 - Step 5: Solve for x
x = 21,867,534,243.29/156,392.70 - Step 6: Final answer
x = 139,824.52
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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.