Finding the Fourth Proportional to 372,037.41, 513,409.08 and 202,271.54
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Solution
The fourth proportional to 372,037.41, 513,409.08 and 202,271.54 is: 279,133.34
Step by Step Solution
- Step 1: Write the proportion equation
372,037.41 : 513,409.08 = 202,271.54 : x - Step 2: Convert to fraction form
372,037.41/513,409.08 = 202,271.54/x - Step 3: Cross multiply
372,037.41x = 513,409.08 × 202,271.54 - Step 4: Simplify right side
372,037.41x = 103,848,045,261.58 - Step 5: Solve for x
x = 103,848,045,261.58/372,037.41 - Step 6: Final answer
x = 279,133.34
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1.5x scale
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.