Finding the Fourth Proportional to 234,734.66, 323,925.09 and 139,184.18
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Solution
The fourth proportional to 234,734.66, 323,925.09 and 139,184.18 is: 192,068.99
Step by Step Solution
- Step 1: Write the proportion equation
234,734.66 : 323,925.09 = 139,184.18 : x - Step 2: Convert to fraction form
234,734.66/323,925.09 = 139,184.18/x - Step 3: Cross multiply
234,734.66x = 323,925.09 × 139,184.18 - Step 4: Simplify right side
234,734.66x = 45,085,248,033.08 - Step 5: Solve for x
x = 45,085,248,033.08/234,734.66 - Step 6: Final answer
x = 192,068.99
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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.