Finding the Fourth Proportional to 319,073.90, 478,441.55 and 94,403.39
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Solution
The fourth proportional to 319,073.90, 478,441.55 and 94,403.39 is: 141,554.99
Step by Step Solution
- Step 1: Write the proportion equation
319,073.90 : 478,441.55 = 94,403.39 : x - Step 2: Convert to fraction form
319,073.90/478,441.55 = 94,403.39/x - Step 3: Cross multiply
319,073.90x = 478,441.55 × 94,403.39 - Step 4: Simplify right side
319,073.90x = 45,166,501,372.63 - Step 5: Solve for x
x = 45,166,501,372.63/319,073.90 - Step 6: Final answer
x = 141,554.99
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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.