Finding the Fourth Proportional to 470,090.19, 648,729.14 and 255,232.02
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Solution
The fourth proportional to 470,090.19, 648,729.14 and 255,232.02 is: 352,222.73
Step by Step Solution
- Step 1: Write the proportion equation
470,090.19 : 648,729.14 = 255,232.02 : x - Step 2: Convert to fraction form
470,090.19/648,729.14 = 255,232.02/x - Step 3: Cross multiply
470,090.19x = 648,729.14 × 255,232.02 - Step 4: Simplify right side
470,090.19x = 165,576,448,835.06 - Step 5: Solve for x
x = 165,576,448,835.06/470,090.19 - Step 6: Final answer
x = 352,222.73
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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.