Finding the Fourth Proportional to 287,697.10, 397,027.23 and 160,358.98
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Solution
The fourth proportional to 287,697.10, 397,027.23 and 160,358.98 is: 221,298.31
Step by Step Solution
- Step 1: Write the proportion equation
287,697.10 : 397,027.23 = 160,358.98 : x - Step 2: Convert to fraction form
287,697.10/397,027.23 = 160,358.98/x - Step 3: Cross multiply
287,697.10x = 397,027.23 × 160,358.98 - Step 4: Simplify right side
287,697.10x = 63,666,881,635.03 - Step 5: Solve for x
x = 63,666,881,635.03/287,697.10 - Step 6: Final answer
x = 221,298.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.