Finding the Fourth Proportional to 163,658.84, 225,829.35 and 91,044.57
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Solution
The fourth proportional to 163,658.84, 225,829.35 and 91,044.57 is: 125,630.46
Step by Step Solution
- Step 1: Write the proportion equation
163,658.84 : 225,829.35 = 91,044.57 : x - Step 2: Convert to fraction form
163,658.84/225,829.35 = 91,044.57/x - Step 3: Cross multiply
163,658.84x = 225,829.35 × 91,044.57 - Step 4: Simplify right side
163,658.84x = 20,560,536,064.13 - Step 5: Solve for x
x = 20,560,536,064.13/163,658.84 - Step 6: Final answer
x = 125,630.46
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1.5x scale
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.