Finding the Fourth Proportional to 153,700.08, 229,022.18 and 136,931.26
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Solution
The fourth proportional to 153,700.08, 229,022.18 and 136,931.26 is: 204,035.65
Step by Step Solution
- Step 1: Write the proportion equation
153,700.08 : 229,022.18 = 136,931.26 : x - Step 2: Convert to fraction form
153,700.08/229,022.18 = 136,931.26/x - Step 3: Cross multiply
153,700.08x = 229,022.18 × 136,931.26 - Step 4: Simplify right side
153,700.08x = 31,360,296,131.28 - Step 5: Solve for x
x = 31,360,296,131.28/153,700.08 - Step 6: Final answer
x = 204,035.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.