Finding the Fourth Proportional to 372,358.53, 513,700.43 and 243,252.63
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Solution
The fourth proportional to 372,358.53, 513,700.43 and 243,252.63 is: 335,587.80
Step by Step Solution
- Step 1: Write the proportion equation
372,358.53 : 513,700.43 = 243,252.63 : x - Step 2: Convert to fraction form
372,358.53/513,700.43 = 243,252.63/x - Step 3: Cross multiply
372,358.53x = 513,700.43 × 243,252.63 - Step 4: Simplify right side
372,358.53x = 124,958,979,413.37 - Step 5: Solve for x
x = 124,958,979,413.37/372,358.53 - Step 6: Final answer
x = 335,587.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.