Finding the Fourth Proportional to 203,098.02, 280,277.49 and 112,455.63
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Solution
The fourth proportional to 203,098.02, 280,277.49 and 112,455.63 is: 155,190.00
Step by Step Solution
- Step 1: Write the proportion equation
203,098.02 : 280,277.49 = 112,455.63 : x - Step 2: Convert to fraction form
203,098.02/280,277.49 = 112,455.63/x - Step 3: Cross multiply
203,098.02x = 280,277.49 × 112,455.63 - Step 4: Simplify right side
203,098.02x = 31,518,781,712.77 - Step 5: Solve for x
x = 31,518,781,712.77/203,098.02 - Step 6: Final answer
x = 155,190.00
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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.