Finding the Fourth Proportional to 212,746.07, 293,601.12 and 122,101.31
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Solution
The fourth proportional to 212,746.07, 293,601.12 and 122,101.31 is: 168,506.43
Step by Step Solution
- Step 1: Write the proportion equation
212,746.07 : 293,601.12 = 122,101.31 : x - Step 2: Convert to fraction form
212,746.07/293,601.12 = 122,101.31/x - Step 3: Cross multiply
212,746.07x = 293,601.12 × 122,101.31 - Step 4: Simplify right side
212,746.07x = 35,849,081,674.72 - Step 5: Solve for x
x = 35,849,081,674.72/212,746.07 - Step 6: Final answer
x = 168,506.43
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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.