Finding the Fourth Proportional to 134,829.30, 202,410.35 and 84,909.30
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Solution
The fourth proportional to 134,829.30, 202,410.35 and 84,909.30 is: 127,468.74
Step by Step Solution
- Step 1: Write the proportion equation
134,829.30 : 202,410.35 = 84,909.30 : x - Step 2: Convert to fraction form
134,829.30/202,410.35 = 84,909.30/x - Step 3: Cross multiply
134,829.30x = 202,410.35 × 84,909.30 - Step 4: Simplify right side
134,829.30x = 17,186,521,131.26 - Step 5: Solve for x
x = 17,186,521,131.26/134,829.30 - Step 6: Final answer
x = 127,468.74
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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.