Finding the Fourth Proportional to 348,381.18, 480,765.68 and 197,478.18
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Solution
The fourth proportional to 348,381.18, 480,765.68 and 197,478.18 is: 272,519.69
Step by Step Solution
- Step 1: Write the proportion equation
348,381.18 : 480,765.68 = 197,478.18 : x - Step 2: Convert to fraction form
348,381.18/480,765.68 = 197,478.18/x - Step 3: Cross multiply
348,381.18x = 480,765.68 × 197,478.18 - Step 4: Simplify right side
348,381.18x = 94,940,731,492.86 - Step 5: Solve for x
x = 94,940,731,492.86/348,381.18 - Step 6: Final answer
x = 272,519.69
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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.