Finding the Fourth Proportional to 357,436.10, 535,337.58 and 170,578.82
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Solution
The fourth proportional to 357,436.10, 535,337.58 and 170,578.82 is: 255,478.54
Step by Step Solution
- Step 1: Write the proportion equation
357,436.10 : 535,337.58 = 170,578.82 : x - Step 2: Convert to fraction form
357,436.10/535,337.58 = 170,578.82/x - Step 3: Cross multiply
357,436.10x = 535,337.58 × 170,578.82 - Step 4: Simplify right side
357,436.10x = 91,317,252,698.06 - Step 5: Solve for x
x = 91,317,252,698.06/357,436.10 - Step 6: Final answer
x = 255,478.54
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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.