Finding the Fourth Proportional to 379,903.76, 569,352.28 and 202,027.76
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Solution
The fourth proportional to 379,903.76, 569,352.28 and 202,027.76 is: 302,773.96
Step by Step Solution
- Step 1: Write the proportion equation
379,903.76 : 569,352.28 = 202,027.76 : x - Step 2: Convert to fraction form
379,903.76/569,352.28 = 202,027.76/x - Step 3: Cross multiply
379,903.76x = 569,352.28 × 202,027.76 - Step 4: Simplify right side
379,903.76x = 115,024,965,779.29 - Step 5: Solve for x
x = 115,024,965,779.29/379,903.76 - Step 6: Final answer
x = 302,773.96
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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.