Finding the Fourth Proportional to 180,718.08, 271,128.96 and 69,987.84
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Solution
The fourth proportional to 180,718.08, 271,128.96 and 69,987.84 is: 105,001.84
Step by Step Solution
- Step 1: Write the proportion equation
180,718.08 : 271,128.96 = 69,987.84 : x - Step 2: Convert to fraction form
180,718.08/271,128.96 = 69,987.84/x - Step 3: Cross multiply
180,718.08x = 271,128.96 × 69,987.84 - Step 4: Simplify right side
180,718.08x = 18,975,730,271.85 - Step 5: Solve for x
x = 18,975,730,271.85/180,718.08 - Step 6: Final answer
x = 105,001.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.