Finding the Fourth Proportional to 271,347.84, 374,457.60 and 152,115.84
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Solution
The fourth proportional to 271,347.84, 374,457.60 and 152,115.84 is: 209,918.50
Step by Step Solution
- Step 1: Write the proportion equation
271,347.84 : 374,457.60 = 152,115.84 : x - Step 2: Convert to fraction form
271,347.84/374,457.60 = 152,115.84/x - Step 3: Cross multiply
271,347.84x = 374,457.60 × 152,115.84 - Step 4: Simplify right side
271,347.84x = 56,960,932,368.38 - Step 5: Solve for x
x = 56,960,932,368.38/271,347.84 - Step 6: Final answer
x = 209,918.50
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1.5x scale
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.