Finding the Fourth Proportional to 621,955.99, 858,368.91 and 350,090.02
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Solution
The fourth proportional to 621,955.99, 858,368.91 and 350,090.02 is: 483,163.43
Step by Step Solution
- Step 1: Write the proportion equation
621,955.99 : 858,368.91 = 350,090.02 : x - Step 2: Convert to fraction form
621,955.99/858,368.91 = 350,090.02/x - Step 3: Cross multiply
621,955.99x = 858,368.91 × 350,090.02 - Step 4: Simplify right side
621,955.99x = 300,506,388,869.28 - Step 5: Solve for x
x = 300,506,388,869.28/621,955.99 - Step 6: Final answer
x = 483,163.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.