Finding the Fourth Proportional to 156,583.29, 216,140.97 and 92,921.08
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Solution
The fourth proportional to 156,583.29, 216,140.97 and 92,921.08 is: 128,264.34
Step by Step Solution
- Step 1: Write the proportion equation
156,583.29 : 216,140.97 = 92,921.08 : x - Step 2: Convert to fraction form
156,583.29/216,140.97 = 92,921.08/x - Step 3: Cross multiply
156,583.29x = 216,140.97 × 92,921.08 - Step 4: Simplify right side
156,583.29x = 20,084,052,364.65 - Step 5: Solve for x
x = 20,084,052,364.65/156,583.29 - Step 6: Final answer
x = 128,264.34
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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.