Finding the Fourth Proportional to 358,508.12, 538,094.10 and 181,139.96
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Solution
The fourth proportional to 358,508.12, 538,094.10 and 181,139.96 is: 271,877.65
Step by Step Solution
- Step 1: Write the proportion equation
358,508.12 : 538,094.10 = 181,139.96 : x - Step 2: Convert to fraction form
358,508.12/538,094.10 = 181,139.96/x - Step 3: Cross multiply
358,508.12x = 538,094.10 × 181,139.96 - Step 4: Simplify right side
358,508.12x = 97,470,343,750.24 - Step 5: Solve for x
x = 97,470,343,750.24/358,508.12 - Step 6: Final answer
x = 271,877.65
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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.