Finding the Fourth Proportional to 319,001.13, 478,501.68 and 94,344.09
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Solution
The fourth proportional to 319,001.13, 478,501.68 and 94,344.09 is: 141,516.13
Step by Step Solution
- Step 1: Write the proportion equation
319,001.13 : 478,501.68 = 94,344.09 : x - Step 2: Convert to fraction form
319,001.13/478,501.68 = 94,344.09/x - Step 3: Cross multiply
319,001.13x = 478,501.68 × 94,344.09 - Step 4: Simplify right side
319,001.13x = 45,143,805,563.07 - Step 5: Solve for x
x = 45,143,805,563.07/319,001.13 - Step 6: Final answer
x = 141,516.13
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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.