Finding the Fourth Proportional to 267,478.18, 369,238.58 and 170,808.68
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Solution
The fourth proportional to 267,478.18, 369,238.58 and 170,808.68 is: 235,791.77
Step by Step Solution
- Step 1: Write the proportion equation
267,478.18 : 369,238.58 = 170,808.68 : x - Step 2: Convert to fraction form
267,478.18/369,238.58 = 170,808.68/x - Step 3: Cross multiply
267,478.18x = 369,238.58 × 170,808.68 - Step 4: Simplify right side
267,478.18x = 63,069,154,048.29 - Step 5: Solve for x
x = 63,069,154,048.29/267,478.18 - Step 6: Final answer
x = 235,791.77
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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.