Finding the Fourth Proportional to 365,368.08, 546,674.04 and 215,689.80
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Solution
The fourth proportional to 365,368.08, 546,674.04 and 215,689.80 is: 322,721.17
Step by Step Solution
- Step 1: Write the proportion equation
365,368.08 : 546,674.04 = 215,689.80 : x - Step 2: Convert to fraction form
365,368.08/546,674.04 = 215,689.80/x - Step 3: Cross multiply
365,368.08x = 546,674.04 × 215,689.80 - Step 4: Simplify right side
365,368.08x = 117,912,014,352.79 - Step 5: Solve for x
x = 117,912,014,352.79/365,368.08 - Step 6: Final answer
x = 322,721.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.