Finding the Fourth Proportional to 358,280.64, 536,936.76 and 136,543.68
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Solution
The fourth proportional to 358,280.64, 536,936.76 and 136,543.68 is: 204,630.99
Step by Step Solution
- Step 1: Write the proportion equation
358,280.64 : 536,936.76 = 136,543.68 : x - Step 2: Convert to fraction form
358,280.64/536,936.76 = 136,543.68/x - Step 3: Cross multiply
358,280.64x = 536,936.76 × 136,543.68 - Step 4: Simplify right side
358,280.64x = 73,315,321,137.68 - Step 5: Solve for x
x = 73,315,321,137.68/358,280.64 - Step 6: Final answer
x = 204,630.99
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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.