Finding the Fourth Proportional to 357,748.47, 493,585.11 and 214,456.23
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Solution
The fourth proportional to 357,748.47, 493,585.11 and 214,456.23 is: 295,884.99
Step by Step Solution
- Step 1: Write the proportion equation
357,748.47 : 493,585.11 = 214,456.23 : x - Step 2: Convert to fraction form
357,748.47/493,585.11 = 214,456.23/x - Step 3: Cross multiply
357,748.47x = 493,585.11 × 214,456.23 - Step 4: Simplify right side
357,748.47x = 105,852,401,874.74 - Step 5: Solve for x
x = 105,852,401,874.74/357,748.47 - Step 6: Final answer
x = 295,884.99
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1.5x scale
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.