Finding the Fourth Proportional to 613,117.70, 919,705.35 and 192,407.30
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Solution
The fourth proportional to 613,117.70, 919,705.35 and 192,407.30 is: 288,619.99
Step by Step Solution
- Step 1: Write the proportion equation
613,117.70 : 919,705.35 = 192,407.30 : x - Step 2: Convert to fraction form
613,117.70/919,705.35 = 192,407.30/x - Step 3: Cross multiply
613,117.70x = 919,705.35 × 192,407.30 - Step 4: Simplify right side
613,117.70x = 176,958,023,189.06 - Step 5: Solve for x
x = 176,958,023,189.06/613,117.70 - Step 6: Final answer
x = 288,619.99
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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.