Finding the Fourth Proportional to 640,127.74, 960,240.62 and 190,814.26
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Solution
The fourth proportional to 640,127.74, 960,240.62 and 190,814.26 is: 286,236.00
Step by Step Solution
- Step 1: Write the proportion equation
640,127.74 : 960,240.62 = 190,814.26 : x - Step 2: Convert to fraction form
640,127.74/960,240.62 = 190,814.26/x - Step 3: Cross multiply
640,127.74x = 960,240.62 × 190,814.26 - Step 4: Simplify right side
640,127.74x = 183,227,603,327.24 - Step 5: Solve for x
x = 183,227,603,327.24/640,127.74 - Step 6: Final answer
x = 286,236.00
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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.