Finding the Fourth Proportional to 381,649.08, 572,688.68 and 351,534.09
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Solution
The fourth proportional to 381,649.08, 572,688.68 and 351,534.09 is: 527,499.23
Step by Step Solution
- Step 1: Write the proportion equation
381,649.08 : 572,688.68 = 351,534.09 : x - Step 2: Convert to fraction form
381,649.08/572,688.68 = 351,534.09/x - Step 3: Cross multiply
381,649.08x = 572,688.68 × 351,534.09 - Step 4: Simplify right side
381,649.08x = 201,319,593,977.10 - Step 5: Solve for x
x = 201,319,593,977.10/381,649.08 - Step 6: Final answer
x = 527,499.23
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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.