Finding the Fourth Proportional to 417,966.21, 576,969.95 and 282,184.09
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Solution
The fourth proportional to 417,966.21, 576,969.95 and 282,184.09 is: 389,533.26
Step by Step Solution
- Step 1: Write the proportion equation
417,966.21 : 576,969.95 = 282,184.09 : x - Step 2: Convert to fraction form
417,966.21/576,969.95 = 282,184.09/x - Step 3: Cross multiply
417,966.21x = 576,969.95 × 282,184.09 - Step 4: Simplify right side
417,966.21x = 162,811,739,561.13 - Step 5: Solve for x
x = 162,811,739,561.13/417,966.21 - Step 6: Final answer
x = 389,533.26
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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.