Finding the Fourth Proportional to 805,457.41, 1,208,158.75 and 206,424.44
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Solution
The fourth proportional to 805,457.41, 1,208,158.75 and 206,424.44 is: 309,629.65
Step by Step Solution
- Step 1: Write the proportion equation
805,457.41 : 1,208,158.75 = 206,424.44 : x - Step 2: Convert to fraction form
805,457.41/1,208,158.75 = 206,424.44/x - Step 3: Cross multiply
805,457.41x = 1,208,158.75 × 206,424.44 - Step 4: Simplify right side
805,457.41x = 249,393,495,904.19 - Step 5: Solve for x
x = 249,393,495,904.19/805,457.41 - Step 6: Final answer
x = 309,629.65
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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.