Finding the Fourth Proportional to 640,132.24, 960,247.37 and 190,818.76
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Solution
The fourth proportional to 640,132.24, 960,247.37 and 190,818.76 is: 286,242.75
Step by Step Solution
- Step 1: Write the proportion equation
640,132.24 : 960,247.37 = 190,818.76 : x - Step 2: Convert to fraction form
640,132.24/960,247.37 = 190,818.76/x - Step 3: Cross multiply
640,132.24x = 960,247.37 × 190,818.76 - Step 4: Simplify right side
640,132.24x = 183,233,212,436.66 - Step 5: Solve for x
x = 183,233,212,436.66/640,132.24 - Step 6: Final answer
x = 286,242.75
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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.