Finding the Fourth Proportional to 357,064.20, 535,595.76 and 146,553.84
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Solution
The fourth proportional to 357,064.20, 535,595.76 and 146,553.84 is: 219,830.54
Step by Step Solution
- Step 1: Write the proportion equation
357,064.20 : 535,595.76 = 146,553.84 : x - Step 2: Convert to fraction form
357,064.20/535,595.76 = 146,553.84/x - Step 3: Cross multiply
357,064.20x = 535,595.76 × 146,553.84 - Step 4: Simplify right side
357,064.20x = 78,493,615,315.72 - Step 5: Solve for x
x = 78,493,615,315.72/357,064.20 - Step 6: Final answer
x = 219,830.54
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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.