Finding the Fourth Proportional to 402,512.23, 555,235.59 and 251,346.79
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Solution
The fourth proportional to 402,512.23, 555,235.59 and 251,346.79 is: 346,714.14
Step by Step Solution
- Step 1: Write the proportion equation
402,512.23 : 555,235.59 = 251,346.79 : x - Step 2: Convert to fraction form
402,512.23/555,235.59 = 251,346.79/x - Step 3: Cross multiply
402,512.23x = 555,235.59 × 251,346.79 - Step 4: Simplify right side
402,512.23x = 139,556,683,240.26 - Step 5: Solve for x
x = 139,556,683,240.26/402,512.23 - Step 6: Final answer
x = 346,714.14
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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.