Finding the Fourth Proportional to 538,483.14, 743,073.35 and 296,752.21
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Solution
The fourth proportional to 538,483.14, 743,073.35 and 296,752.21 is: 409,499.65
Step by Step Solution
- Step 1: Write the proportion equation
538,483.14 : 743,073.35 = 296,752.21 : x - Step 2: Convert to fraction form
538,483.14/743,073.35 = 296,752.21/x - Step 3: Cross multiply
538,483.14x = 743,073.35 × 296,752.21 - Step 4: Simplify right side
538,483.14x = 220,508,655,463.16 - Step 5: Solve for x
x = 220,508,655,463.16/538,483.14 - Step 6: Final answer
x = 409,499.65
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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.