Finding the Fourth Proportional to 145,909.44, 201,521.12 and 98,079.84
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Solution
The fourth proportional to 145,909.44, 201,521.12 and 98,079.84 is: 135,461.83
Step by Step Solution
- Step 1: Write the proportion equation
145,909.44 : 201,521.12 = 98,079.84 : x - Step 2: Convert to fraction form
145,909.44/201,521.12 = 98,079.84/x - Step 3: Cross multiply
145,909.44x = 201,521.12 × 98,079.84 - Step 4: Simplify right side
145,909.44x = 19,765,159,206.22 - Step 5: Solve for x
x = 19,765,159,206.22/145,909.44 - Step 6: Final answer
x = 135,461.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.