Finding the Fourth Proportional to 317,349.60, 475,725.06 and 106,840.32
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Solution
The fourth proportional to 317,349.60, 475,725.06 and 106,840.32 is: 160,159.70
Step by Step Solution
- Step 1: Write the proportion equation
317,349.60 : 475,725.06 = 106,840.32 : x - Step 2: Convert to fraction form
317,349.60/475,725.06 = 106,840.32/x - Step 3: Cross multiply
317,349.60x = 475,725.06 × 106,840.32 - Step 4: Simplify right side
317,349.60x = 50,826,617,642.42 - Step 5: Solve for x
x = 50,826,617,642.42/317,349.60 - Step 6: Final answer
x = 160,159.70
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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.