Finding the Fourth Proportional to 408,725.14, 563,721.18 and 265,531.32
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Solution
The fourth proportional to 408,725.14, 563,721.18 and 265,531.32 is: 366,225.65
Step by Step Solution
- Step 1: Write the proportion equation
408,725.14 : 563,721.18 = 265,531.32 : x - Step 2: Convert to fraction form
408,725.14/563,721.18 = 265,531.32/x - Step 3: Cross multiply
408,725.14x = 563,721.18 × 265,531.32 - Step 4: Simplify right side
408,725.14x = 149,685,629,037.36 - Step 5: Solve for x
x = 149,685,629,037.36/408,725.14 - Step 6: Final answer
x = 366,225.65
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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.