Finding the Fourth Proportional to 98,207.28, 135,526.08 and 53,495.28
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Solution
The fourth proportional to 98,207.28, 135,526.08 and 53,495.28 is: 73,823.50
Step by Step Solution
- Step 1: Write the proportion equation
98,207.28 : 135,526.08 = 53,495.28 : x - Step 2: Convert to fraction form
98,207.28/135,526.08 = 53,495.28/x - Step 3: Cross multiply
98,207.28x = 135,526.08 × 53,495.28 - Step 4: Simplify right side
98,207.28x = 7,250,005,596.90 - Step 5: Solve for x
x = 7,250,005,596.90/98,207.28 - Step 6: Final answer
x = 73,823.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.