Finding the Fourth Proportional to 517,599.77, 714,273.74 and 288,157.07
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Solution
The fourth proportional to 517,599.77, 714,273.74 and 288,157.07 is: 397,649.00
Step by Step Solution
- Step 1: Write the proportion equation
517,599.77 : 714,273.74 = 288,157.07 : x - Step 2: Convert to fraction form
517,599.77/714,273.74 = 288,157.07/x - Step 3: Cross multiply
517,599.77x = 714,273.74 × 288,157.07 - Step 4: Simplify right side
517,599.77x = 205,823,031,142.71 - Step 5: Solve for x
x = 205,823,031,142.71/517,599.77 - Step 6: Final answer
x = 397,649.00
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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.