Finding the Fourth Proportional to 242,242.08, 363,421.28 and 76,030.08
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Solution
The fourth proportional to 242,242.08, 363,421.28 and 76,030.08 is: 114,063.37
Step by Step Solution
- Step 1: Write the proportion equation
242,242.08 : 363,421.28 = 76,030.08 : x - Step 2: Convert to fraction form
242,242.08/363,421.28 = 76,030.08/x - Step 3: Cross multiply
242,242.08x = 363,421.28 × 76,030.08 - Step 4: Simplify right side
242,242.08x = 27,630,948,992.10 - Step 5: Solve for x
x = 27,630,948,992.10/242,242.08 - Step 6: Final answer
x = 114,063.37
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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.