Finding the Fourth Proportional to 306,156.74, 459,444.08 and 106,475.13
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Solution
The fourth proportional to 306,156.74, 459,444.08 and 106,475.13 is: 159,785.37
Step by Step Solution
- Step 1: Write the proportion equation
306,156.74 : 459,444.08 = 106,475.13 : x - Step 2: Convert to fraction form
306,156.74/459,444.08 = 106,475.13/x - Step 3: Cross multiply
306,156.74x = 459,444.08 × 106,475.13 - Step 4: Simplify right side
306,156.74x = 48,919,368,411.92 - Step 5: Solve for x
x = 48,919,368,411.92/306,156.74 - Step 6: Final answer
x = 159,785.37
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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.