Finding the Fourth Proportional to 68,280.16, 102,420.24 and 21,536.68
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Solution
The fourth proportional to 68,280.16, 102,420.24 and 21,536.68 is: 32,305.02
Step by Step Solution
- Step 1: Write the proportion equation
68,280.16 : 102,420.24 = 21,536.68 : x - Step 2: Convert to fraction form
68,280.16/102,420.24 = 21,536.68/x - Step 3: Cross multiply
68,280.16x = 102,420.24 × 21,536.68 - Step 4: Simplify right side
68,280.16x = 2,205,791,934.40 - Step 5: Solve for x
x = 2,205,791,934.40/68,280.16 - Step 6: Final answer
x = 32,305.02
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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.