Finding the Fourth Proportional to 272,170.14, 407,381.73 and 145,493.70
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Solution
The fourth proportional to 272,170.14, 407,381.73 and 145,493.70 is: 217,773.61
Step by Step Solution
- Step 1: Write the proportion equation
272,170.14 : 407,381.73 = 145,493.70 : x - Step 2: Convert to fraction form
272,170.14/407,381.73 = 145,493.70/x - Step 3: Cross multiply
272,170.14x = 407,381.73 × 145,493.70 - Step 4: Simplify right side
272,170.14x = 59,271,475,210.10 - Step 5: Solve for x
x = 59,271,475,210.10/272,170.14 - Step 6: Final answer
x = 217,773.61
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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.