Finding the Fourth Proportional to 150,173.84, 207,233.04 and 86,520.80
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Solution
The fourth proportional to 150,173.84, 207,233.04 and 86,520.80 is: 119,394.75
Step by Step Solution
- Step 1: Write the proportion equation
150,173.84 : 207,233.04 = 86,520.80 : x - Step 2: Convert to fraction form
150,173.84/207,233.04 = 86,520.80/x - Step 3: Cross multiply
150,173.84x = 207,233.04 × 86,520.80 - Step 4: Simplify right side
150,173.84x = 17,929,968,407.23 - Step 5: Solve for x
x = 17,929,968,407.23/150,173.84 - Step 6: Final answer
x = 119,394.75
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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.