Finding the Fourth Proportional to 291,013.56, 401,594.76 and 163,689.26
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Solution
The fourth proportional to 291,013.56, 401,594.76 and 163,689.26 is: 225,888.95
Step by Step Solution
- Step 1: Write the proportion equation
291,013.56 : 401,594.76 = 163,689.26 : x - Step 2: Convert to fraction form
291,013.56/401,594.76 = 163,689.26/x - Step 3: Cross multiply
291,013.56x = 401,594.76 × 163,689.26 - Step 4: Simplify right side
291,013.56x = 65,736,747,076.30 - Step 5: Solve for x
x = 65,736,747,076.30/291,013.56 - Step 6: Final answer
x = 225,888.95
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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.