Finding the Fourth Proportional to 357,479.10, 535,402.08 and 170,621.82
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Solution
The fourth proportional to 357,479.10, 535,402.08 and 170,621.82 is: 255,542.99
Step by Step Solution
- Step 1: Write the proportion equation
357,479.10 : 535,402.08 = 170,621.82 : x - Step 2: Convert to fraction form
357,479.10/535,402.08 = 170,621.82/x - Step 3: Cross multiply
357,479.10x = 535,402.08 × 170,621.82 - Step 4: Simplify right side
357,479.10x = 91,351,277,321.39 - Step 5: Solve for x
x = 91,351,277,321.39/357,479.10 - Step 6: Final answer
x = 255,542.99
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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.