Finding the Fourth Proportional to 684,027.84, 1,026,041.76 and 185,391.84
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Solution
The fourth proportional to 684,027.84, 1,026,041.76 and 185,391.84 is: 278,087.76
Step by Step Solution
- Step 1: Write the proportion equation
684,027.84 : 1,026,041.76 = 185,391.84 : x - Step 2: Convert to fraction form
684,027.84/1,026,041.76 = 185,391.84/x - Step 3: Cross multiply
684,027.84x = 1,026,041.76 × 185,391.84 - Step 4: Simplify right side
684,027.84x = 190,219,769,803.24 - Step 5: Solve for x
x = 190,219,769,803.24/684,027.84 - Step 6: Final answer
x = 278,087.76
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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.