Finding the Fourth Proportional to 375,431.36, 517,965.44 and 284,692.80
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Solution
The fourth proportional to 375,431.36, 517,965.44 and 284,692.80 is: 392,777.61
Step by Step Solution
- Step 1: Write the proportion equation
375,431.36 : 517,965.44 = 284,692.80 : x - Step 2: Convert to fraction form
375,431.36/517,965.44 = 284,692.80/x - Step 3: Cross multiply
375,431.36x = 517,965.44 × 284,692.80 - Step 4: Simplify right side
375,431.36x = 147,461,031,416.83 - Step 5: Solve for x
x = 147,461,031,416.83/375,431.36 - Step 6: Final answer
x = 392,777.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.