Finding the Fourth Proportional to 613,192.09, 919,479.02 and 186,646.09
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Solution
The fourth proportional to 613,192.09, 919,479.02 and 186,646.09 is: 279,875.04
Step by Step Solution
- Step 1: Write the proportion equation
613,192.09 : 919,479.02 = 186,646.09 : x - Step 2: Convert to fraction form
613,192.09/919,479.02 = 186,646.09/x - Step 3: Cross multiply
613,192.09x = 919,479.02 × 186,646.09 - Step 4: Simplify right side
613,192.09x = 171,617,162,986.80 - Step 5: Solve for x
x = 171,617,162,986.80/613,192.09 - Step 6: Final answer
x = 279,875.04
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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.