Finding the Fourth Proportional to 134,886.99, 202,330.35 and 40,116.79
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Solution
The fourth proportional to 134,886.99, 202,330.35 and 40,116.79 is: 60,175.14
Step by Step Solution
- Step 1: Write the proportion equation
134,886.99 : 202,330.35 = 40,116.79 : x - Step 2: Convert to fraction form
134,886.99/202,330.35 = 40,116.79/x - Step 3: Cross multiply
134,886.99x = 202,330.35 × 40,116.79 - Step 4: Simplify right side
134,886.99x = 8,116,843,655.75 - Step 5: Solve for x
x = 8,116,843,655.75/134,886.99 - Step 6: Final answer
x = 60,175.14
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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.