Finding the Fourth Proportional to 318,437.83, 477,841.28 and 160,678.59
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Solution
The fourth proportional to 318,437.83, 477,841.28 and 160,678.59 is: 241,110.99
Step by Step Solution
- Step 1: Write the proportion equation
318,437.83 : 477,841.28 = 160,678.59 : x - Step 2: Convert to fraction form
318,437.83/477,841.28 = 160,678.59/x - Step 3: Cross multiply
318,437.83x = 477,841.28 × 160,678.59 - Step 4: Simplify right side
318,437.83x = 76,778,860,518.90 - Step 5: Solve for x
x = 76,778,860,518.90/318,437.83 - Step 6: Final answer
x = 241,110.99
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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.