Finding the Fourth Proportional to 162,252.21, 243,378.18 and 61,069.17
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Solution
The fourth proportional to 162,252.21, 243,378.18 and 61,069.17 is: 91,603.70
Step by Step Solution
- Step 1: Write the proportion equation
162,252.21 : 243,378.18 = 61,069.17 : x - Step 2: Convert to fraction form
162,252.21/243,378.18 = 61,069.17/x - Step 3: Cross multiply
162,252.21x = 243,378.18 × 61,069.17 - Step 4: Simplify right side
162,252.21x = 14,862,903,448.71 - Step 5: Solve for x
x = 14,862,903,448.71/162,252.21 - Step 6: Final answer
x = 91,603.70
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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.