Finding the Fourth Proportional to 319,132.06, 478,699.63 and 94,496.74
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Solution
The fourth proportional to 319,132.06, 478,699.63 and 94,496.74 is: 141,745.56
Step by Step Solution
- Step 1: Write the proportion equation
319,132.06 : 478,699.63 = 94,496.74 : x - Step 2: Convert to fraction form
319,132.06/478,699.63 = 94,496.74/x - Step 3: Cross multiply
319,132.06x = 478,699.63 × 94,496.74 - Step 4: Simplify right side
319,132.06x = 45,235,553,041.22 - Step 5: Solve for x
x = 45,235,553,041.22/319,132.06 - Step 6: Final answer
x = 141,745.56
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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.