Finding the Fourth Proportional to 316,341.84, 436,581.42 and 189,014.70
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Solution
The fourth proportional to 316,341.84, 436,581.42 and 189,014.70 is: 260,858.02
Step by Step Solution
- Step 1: Write the proportion equation
316,341.84 : 436,581.42 = 189,014.70 : x - Step 2: Convert to fraction form
316,341.84/436,581.42 = 189,014.70/x - Step 3: Cross multiply
316,341.84x = 436,581.42 × 189,014.70 - Step 4: Simplify right side
316,341.84x = 82,520,306,126.87 - Step 5: Solve for x
x = 82,520,306,126.87/316,341.84 - Step 6: Final answer
x = 260,858.02
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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.