Finding the Fourth Proportional to 239,666.10, 330,740.99 and 132,240.12
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Solution
The fourth proportional to 239,666.10, 330,740.99 and 132,240.12 is: 182,492.34
Step by Step Solution
- Step 1: Write the proportion equation
239,666.10 : 330,740.99 = 132,240.12 : x - Step 2: Convert to fraction form
239,666.10/330,740.99 = 132,240.12/x - Step 3: Cross multiply
239,666.10x = 330,740.99 × 132,240.12 - Step 4: Simplify right side
239,666.10x = 43,737,228,206.52 - Step 5: Solve for x
x = 43,737,228,206.52/239,666.10 - Step 6: Final answer
x = 182,492.34
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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.