Finding the Fourth Proportional to 613,316.18, 920,011.18 and 192,592.06
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Solution
The fourth proportional to 613,316.18, 920,011.18 and 192,592.06 is: 288,899.68
Step by Step Solution
- Step 1: Write the proportion equation
613,316.18 : 920,011.18 = 192,592.06 : x - Step 2: Convert to fraction form
613,316.18/920,011.18 = 192,592.06/x - Step 3: Cross multiply
613,316.18x = 920,011.18 × 192,592.06 - Step 4: Simplify right side
613,316.18x = 177,186,845,958.83 - Step 5: Solve for x
x = 177,186,845,958.83/613,316.18 - Step 6: Final answer
x = 288,899.68
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1.5x scale
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.