Finding the Fourth Proportional to 180,038.93, 248,458.74 and 99,471.65
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Solution
The fourth proportional to 180,038.93, 248,458.74 and 99,471.65 is: 137,273.65
Step by Step Solution
- Step 1: Write the proportion equation
180,038.93 : 248,458.74 = 99,471.65 : x - Step 2: Convert to fraction form
180,038.93/248,458.74 = 99,471.65/x - Step 3: Cross multiply
180,038.93x = 248,458.74 × 99,471.65 - Step 4: Simplify right side
180,038.93x = 24,714,600,824.72 - Step 5: Solve for x
x = 24,714,600,824.72/180,038.93 - Step 6: Final answer
x = 137,273.65
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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.