Finding the Fourth Proportional to 300,130.04, 450,195.82 and 122,637.05
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Solution
The fourth proportional to 300,130.04, 450,195.82 and 122,637.05 is: 183,955.89
Step by Step Solution
- Step 1: Write the proportion equation
300,130.04 : 450,195.82 = 122,637.05 : x - Step 2: Convert to fraction form
300,130.04/450,195.82 = 122,637.05/x - Step 3: Cross multiply
300,130.04x = 450,195.82 × 122,637.05 - Step 4: Simplify right side
300,130.04x = 55,210,687,287.13 - Step 5: Solve for x
x = 55,210,687,287.13/300,130.04 - Step 6: Final answer
x = 183,955.89
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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.