Finding the Fourth Proportional to 306,365.37, 459,267.93 and 128,884.92
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Solution
The fourth proportional to 306,365.37, 459,267.93 and 128,884.92 is: 193,209.53
Step by Step Solution
- Step 1: Write the proportion equation
306,365.37 : 459,267.93 = 128,884.92 : x - Step 2: Convert to fraction form
306,365.37/459,267.93 = 128,884.92/x - Step 3: Cross multiply
306,365.37x = 459,267.93 × 128,884.92 - Step 4: Simplify right side
306,365.37x = 59,192,710,416.62 - Step 5: Solve for x
x = 59,192,710,416.62/306,365.37 - Step 6: Final answer
x = 193,209.53
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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.