Finding the Fourth Proportional to 517,618.32, 714,295.74 and 291,220.08
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Solution
The fourth proportional to 517,618.32, 714,295.74 and 291,220.08 is: 401,873.84
Step by Step Solution
- Step 1: Write the proportion equation
517,618.32 : 714,295.74 = 291,220.08 : x - Step 2: Convert to fraction form
517,618.32/714,295.74 = 291,220.08/x - Step 3: Cross multiply
517,618.32x = 714,295.74 × 291,220.08 - Step 4: Simplify right side
517,618.32x = 208,017,262,546.46 - Step 5: Solve for x
x = 208,017,262,546.46/517,618.32 - Step 6: Final answer
x = 401,873.84
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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.