Finding the Fourth Proportional to 407,463.40, 562,239.51 and 226,176.70
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Solution
The fourth proportional to 407,463.40, 562,239.51 and 226,176.70 is: 312,090.55
Step by Step Solution
- Step 1: Write the proportion equation
407,463.40 : 562,239.51 = 226,176.70 : x - Step 2: Convert to fraction form
407,463.40/562,239.51 = 226,176.70/x - Step 3: Cross multiply
407,463.40x = 562,239.51 × 226,176.70 - Step 4: Simplify right side
407,463.40x = 127,165,476,981.42 - Step 5: Solve for x
x = 127,165,476,981.42/407,463.40 - Step 6: Final answer
x = 312,090.55
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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.