Finding the Fourth Proportional to 558,170.84, 770,252.28 and 316,469.68
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Solution
The fourth proportional to 558,170.84, 770,252.28 and 316,469.68 is: 436,714.85
Step by Step Solution
- Step 1: Write the proportion equation
558,170.84 : 770,252.28 = 316,469.68 : x - Step 2: Convert to fraction form
558,170.84/770,252.28 = 316,469.68/x - Step 3: Cross multiply
558,170.84x = 770,252.28 × 316,469.68 - Step 4: Simplify right side
558,170.84x = 243,761,492,570.87 - Step 5: Solve for x
x = 243,761,492,570.87/558,170.84 - Step 6: Final answer
x = 436,714.85
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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.