Finding the Fourth Proportional to 293,417.40, 440,126.10 and 291,343.80
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Solution
The fourth proportional to 293,417.40, 440,126.10 and 291,343.80 is: 437,015.70
Step by Step Solution
- Step 1: Write the proportion equation
293,417.40 : 440,126.10 = 291,343.80 : x - Step 2: Convert to fraction form
293,417.40/440,126.10 = 291,343.80/x - Step 3: Cross multiply
293,417.40x = 440,126.10 × 291,343.80 - Step 4: Simplify right side
293,417.40x = 128,228,010,453.18 - Step 5: Solve for x
x = 128,228,010,453.18/293,417.40 - Step 6: Final answer
x = 437,015.70
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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.