Finding the Fourth Proportional to 558,231.84, 770,343.48 and 316,536.48
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Solution
The fourth proportional to 558,231.84, 770,343.48 and 316,536.48 is: 436,811.01
Step by Step Solution
- Step 1: Write the proportion equation
558,231.84 : 770,343.48 = 316,536.48 : x - Step 2: Convert to fraction form
558,231.84/770,343.48 = 316,536.48/x - Step 3: Cross multiply
558,231.84x = 770,343.48 × 316,536.48 - Step 4: Simplify right side
558,231.84x = 243,841,813,550.15 - Step 5: Solve for x
x = 243,841,813,550.15/558,231.84 - Step 6: Final answer
x = 436,811.01
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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.