Finding the Fourth Proportional to 412,356.06, 569,041.74 and 242,601.12
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Solution
The fourth proportional to 412,356.06, 569,041.74 and 242,601.12 is: 334,783.88
Step by Step Solution
- Step 1: Write the proportion equation
412,356.06 : 569,041.74 = 242,601.12 : x - Step 2: Convert to fraction form
412,356.06/569,041.74 = 242,601.12/x - Step 3: Cross multiply
412,356.06x = 569,041.74 × 242,601.12 - Step 4: Simplify right side
412,356.06x = 138,050,163,450.75 - Step 5: Solve for x
x = 138,050,163,450.75/412,356.06 - Step 6: Final answer
x = 334,783.88
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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.