Finding the Fourth Proportional to 135,403.56, 202,988.70 and 65,332.08
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Solution
The fourth proportional to 135,403.56, 202,988.70 and 65,332.08 is: 97,941.84
Step by Step Solution
- Step 1: Write the proportion equation
135,403.56 : 202,988.70 = 65,332.08 : x - Step 2: Convert to fraction form
135,403.56/202,988.70 = 65,332.08/x - Step 3: Cross multiply
135,403.56x = 202,988.70 × 65,332.08 - Step 4: Simplify right side
135,403.56x = 13,261,673,987.50 - Step 5: Solve for x
x = 13,261,673,987.50/135,403.56 - Step 6: Final answer
x = 97,941.84
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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.