Finding the Fourth Proportional to 135,031.02, 202,525.28 and 84,957.84
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Solution
The fourth proportional to 135,031.02, 202,525.28 and 84,957.84 is: 127,423.39
Step by Step Solution
- Step 1: Write the proportion equation
135,031.02 : 202,525.28 = 84,957.84 : x - Step 2: Convert to fraction form
135,031.02/202,525.28 = 84,957.84/x - Step 3: Cross multiply
135,031.02x = 202,525.28 × 84,957.84 - Step 4: Simplify right side
135,031.02x = 17,206,110,334.20 - Step 5: Solve for x
x = 17,206,110,334.20/135,031.02 - Step 6: Final answer
x = 127,423.39
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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.