Finding the Fourth Proportional to 372,482.47, 558,631.14 and 106,245.28
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Solution
The fourth proportional to 372,482.47, 558,631.14 and 106,245.28 is: 159,341.52
Step by Step Solution
- Step 1: Write the proportion equation
372,482.47 : 558,631.14 = 106,245.28 : x - Step 2: Convert to fraction form
372,482.47/558,631.14 = 106,245.28/x - Step 3: Cross multiply
372,482.47x = 558,631.14 × 106,245.28 - Step 4: Simplify right side
372,482.47x = 59,351,921,886.02 - Step 5: Solve for x
x = 59,351,921,886.02/372,482.47 - Step 6: Final answer
x = 159,341.52
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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.