Finding the Fourth Proportional to 538,682.36, 743,386.68 and 296,973.61
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Solution
The fourth proportional to 538,682.36, 743,386.68 and 296,973.61 is: 409,826.35
Step by Step Solution
- Step 1: Write the proportion equation
538,682.36 : 743,386.68 = 296,973.61 : x - Step 2: Convert to fraction form
538,682.36/743,386.68 = 296,973.61/x - Step 3: Cross multiply
538,682.36x = 743,386.68 × 296,973.61 - Step 4: Simplify right side
538,682.36x = 220,766,224,127.05 - Step 5: Solve for x
x = 220,766,224,127.05/538,682.36 - Step 6: Final answer
x = 409,826.35
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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.