Finding the Fourth Proportional to 202,160.74, 279,071.49 and 130,575.67
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Solution
The fourth proportional to 202,160.74, 279,071.49 and 130,575.67 is: 180,252.34
Step by Step Solution
- Step 1: Write the proportion equation
202,160.74 : 279,071.49 = 130,575.67 : x - Step 2: Convert to fraction form
202,160.74/279,071.49 = 130,575.67/x - Step 3: Cross multiply
202,160.74x = 279,071.49 × 130,575.67 - Step 4: Simplify right side
202,160.74x = 36,439,946,784.65 - Step 5: Solve for x
x = 36,439,946,784.65/202,160.74 - Step 6: Final answer
x = 180,252.34
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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.