Finding the Fourth Proportional to 135,303.12, 202,966.60 and 35,462.92
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Solution
The fourth proportional to 135,303.12, 202,966.60 and 35,462.92 is: 53,197.50
Step by Step Solution
- Step 1: Write the proportion equation
135,303.12 : 202,966.60 = 35,462.92 : x - Step 2: Convert to fraction form
135,303.12/202,966.60 = 35,462.92/x - Step 3: Cross multiply
135,303.12x = 202,966.60 × 35,462.92 - Step 4: Simplify right side
135,303.12x = 7,197,788,298.47 - Step 5: Solve for x
x = 7,197,788,298.47/135,303.12 - Step 6: Final answer
x = 53,197.50
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1.5x scale
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.