Finding the Fourth Proportional to 372,744.70, 559,117.05 and 313,695.70
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Solution
The fourth proportional to 372,744.70, 559,117.05 and 313,695.70 is: 470,543.55
Step by Step Solution
- Step 1: Write the proportion equation
372,744.70 : 559,117.05 = 313,695.70 : x - Step 2: Convert to fraction form
372,744.70/559,117.05 = 313,695.70/x - Step 3: Cross multiply
372,744.70x = 559,117.05 × 313,695.70 - Step 4: Simplify right side
372,744.70x = 175,392,614,381.69 - Step 5: Solve for x
x = 175,392,614,381.69/372,744.70 - Step 6: Final answer
x = 470,543.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.