Finding the Fourth Proportional to 478,984.07, 718,476.16 and 194,829.19
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Solution
The fourth proportional to 478,984.07, 718,476.16 and 194,829.19 is: 292,243.81
Step by Step Solution
- Step 1: Write the proportion equation
478,984.07 : 718,476.16 = 194,829.19 : x - Step 2: Convert to fraction form
478,984.07/718,476.16 = 194,829.19/x - Step 3: Cross multiply
478,984.07x = 718,476.16 × 194,829.19 - Step 4: Simplify right side
478,984.07x = 139,980,128,287.11 - Step 5: Solve for x
x = 139,980,128,287.11/478,984.07 - Step 6: Final answer
x = 292,243.81
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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.