Finding the Fourth Proportional to 315,574.44, 473,365.84 and 105,212.44
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Solution
The fourth proportional to 315,574.44, 473,365.84 and 105,212.44 is: 157,820.05
Step by Step Solution
- Step 1: Write the proportion equation
315,574.44 : 473,365.84 = 105,212.44 : x - Step 2: Convert to fraction form
315,574.44/473,365.84 = 105,212.44/x - Step 3: Cross multiply
315,574.44x = 473,365.84 × 105,212.44 - Step 4: Simplify right side
315,574.44x = 49,803,975,039.05 - Step 5: Solve for x
x = 49,803,975,039.05/315,574.44 - Step 6: Final answer
x = 157,820.05
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1.5x scale
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.