Finding the Fourth Proportional to 564,171.80, 845,718.30 and 209,090.60
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Solution
The fourth proportional to 564,171.80, 845,718.30 and 209,090.60 is: 313,435.99
Step by Step Solution
- Step 1: Write the proportion equation
564,171.80 : 845,718.30 = 209,090.60 : x - Step 2: Convert to fraction form
564,171.80/845,718.30 = 209,090.60/x - Step 3: Cross multiply
564,171.80x = 845,718.30 × 209,090.60 - Step 4: Simplify right side
564,171.80x = 176,831,746,777.98 - Step 5: Solve for x
x = 176,831,746,777.98/564,171.80 - Step 6: Final answer
x = 313,435.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.