Finding the Fourth Proportional to 473,817.96, 653,867.21 and 258,957.96
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Solution
The fourth proportional to 473,817.96, 653,867.21 and 258,957.96 is: 357,361.12
Step by Step Solution
- Step 1: Write the proportion equation
473,817.96 : 653,867.21 = 258,957.96 : x - Step 2: Convert to fraction form
473,817.96/653,867.21 = 258,957.96/x - Step 3: Cross multiply
473,817.96x = 653,867.21 × 258,957.96 - Step 4: Simplify right side
473,817.96x = 169,324,117,517.70 - Step 5: Solve for x
x = 169,324,117,517.70/473,817.96 - Step 6: Final answer
x = 357,361.12
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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.