Finding the Fourth Proportional to 90,204.13, 135,233.28 and 37,652.95
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Solution
The fourth proportional to 90,204.13, 135,233.28 and 37,652.95 is: 56,448.99
Step by Step Solution
- Step 1: Write the proportion equation
90,204.13 : 135,233.28 = 37,652.95 : x - Step 2: Convert to fraction form
90,204.13/135,233.28 = 37,652.95/x - Step 3: Cross multiply
90,204.13x = 135,233.28 × 37,652.95 - Step 4: Simplify right side
90,204.13x = 5,091,931,930.18 - Step 5: Solve for x
x = 5,091,931,930.18/90,204.13 - Step 6: Final answer
x = 56,448.99
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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.