Finding the Fourth Proportional to 319,365.36, 478,966.29 and 94,673.26
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Solution
The fourth proportional to 319,365.36, 478,966.29 and 94,673.26 is: 141,985.66
Step by Step Solution
- Step 1: Write the proportion equation
319,365.36 : 478,966.29 = 94,673.26 : x - Step 2: Convert to fraction form
319,365.36/478,966.29 = 94,673.26/x - Step 3: Cross multiply
319,365.36x = 478,966.29 × 94,673.26 - Step 4: Simplify right side
319,365.36x = 45,345,300,104.41 - Step 5: Solve for x
x = 45,345,300,104.41/319,365.36 - Step 6: Final answer
x = 141,985.66
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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.