Finding the Fourth Proportional to 560,831.24, 773,911.08 and 306,181.88
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Solution
The fourth proportional to 560,831.24, 773,911.08 and 306,181.88 is: 422,511.32
Step by Step Solution
- Step 1: Write the proportion equation
560,831.24 : 773,911.08 = 306,181.88 : x - Step 2: Convert to fraction form
560,831.24/773,911.08 = 306,181.88/x - Step 3: Cross multiply
560,831.24x = 773,911.08 × 306,181.88 - Step 4: Simplify right side
560,831.24x = 236,957,549,427.23 - Step 5: Solve for x
x = 236,957,549,427.23/560,831.24 - Step 6: Final answer
x = 422,511.32
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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.