Finding the Fourth Proportional to 189,092.02, 260,946.98 and 104,209.09
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Solution
The fourth proportional to 189,092.02, 260,946.98 and 104,209.09 is: 143,808.53
Step by Step Solution
- Step 1: Write the proportion equation
189,092.02 : 260,946.98 = 104,209.09 : x - Step 2: Convert to fraction form
189,092.02/260,946.98 = 104,209.09/x - Step 3: Cross multiply
189,092.02x = 260,946.98 × 104,209.09 - Step 4: Simplify right side
189,092.02x = 27,193,046,279.84 - Step 5: Solve for x
x = 27,193,046,279.84/189,092.02 - Step 6: Final answer
x = 143,808.53
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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.