Finding the Fourth Proportional to 385,747.94, 578,649.63 and 133,024.80
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Solution
The fourth proportional to 385,747.94, 578,649.63 and 133,024.80 is: 199,546.75
Step by Step Solution
- Step 1: Write the proportion equation
385,747.94 : 578,649.63 = 133,024.80 : x - Step 2: Convert to fraction form
385,747.94/578,649.63 = 133,024.80/x - Step 3: Cross multiply
385,747.94x = 578,649.63 × 133,024.80 - Step 4: Simplify right side
385,747.94x = 76,974,748,407.58 - Step 5: Solve for x
x = 76,974,748,407.58/385,747.94 - Step 6: Final answer
x = 199,546.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.