Finding the Fourth Proportional to 135,246.80, 202,697.40 and 98,267.60
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Solution
The fourth proportional to 135,246.80, 202,697.40 and 98,267.60 is: 147,275.85
Step by Step Solution
- Step 1: Write the proportion equation
135,246.80 : 202,697.40 = 98,267.60 : x - Step 2: Convert to fraction form
135,246.80/202,697.40 = 98,267.60/x - Step 3: Cross multiply
135,246.80x = 202,697.40 × 98,267.60 - Step 4: Simplify right side
135,246.80x = 19,918,587,024.24 - Step 5: Solve for x
x = 19,918,587,024.24/135,246.80 - Step 6: Final answer
x = 147,275.85
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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.