Finding the Fourth Proportional to 376,259.74, 519,220.28 and 215,132.50
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Solution
The fourth proportional to 376,259.74, 519,220.28 and 215,132.50 is: 296,872.47
Step by Step Solution
- Step 1: Write the proportion equation
376,259.74 : 519,220.28 = 215,132.50 : x - Step 2: Convert to fraction form
376,259.74/519,220.28 = 215,132.50/x - Step 3: Cross multiply
376,259.74x = 519,220.28 × 215,132.50 - Step 4: Simplify right side
376,259.74x = 111,701,156,887.10 - Step 5: Solve for x
x = 111,701,156,887.10/376,259.74 - Step 6: Final answer
x = 296,872.47
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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.