Finding the Fourth Proportional to 146,370.88, 201,992.08 and 79,302.88
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Solution
The fourth proportional to 146,370.88, 201,992.08 and 79,302.88 is: 109,438.12
Step by Step Solution
- Step 1: Write the proportion equation
146,370.88 : 201,992.08 = 79,302.88 : x - Step 2: Convert to fraction form
146,370.88/201,992.08 = 79,302.88/x - Step 3: Cross multiply
146,370.88x = 201,992.08 × 79,302.88 - Step 4: Simplify right side
146,370.88x = 16,018,553,681.19 - Step 5: Solve for x
x = 16,018,553,681.19/146,370.88 - Step 6: Final answer
x = 109,438.12
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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.