Finding the Fourth Proportional to 364,461.12, 546,688.44 and 115,143.12
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Solution
The fourth proportional to 364,461.12, 546,688.44 and 115,143.12 is: 172,713.66
Step by Step Solution
- Step 1: Write the proportion equation
364,461.12 : 546,688.44 = 115,143.12 : x - Step 2: Convert to fraction form
364,461.12/546,688.44 = 115,143.12/x - Step 3: Cross multiply
364,461.12x = 546,688.44 × 115,143.12 - Step 4: Simplify right side
364,461.12x = 62,947,412,649.53 - Step 5: Solve for x
x = 62,947,412,649.53/364,461.12 - Step 6: Final answer
x = 172,713.66
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1.5x scale
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.