Finding the Fourth Proportional to 223,482.08, 308,405.40 and 122,880.08
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Solution
The fourth proportional to 223,482.08, 308,405.40 and 122,880.08 is: 169,574.58
Step by Step Solution
- Step 1: Write the proportion equation
223,482.08 : 308,405.40 = 122,880.08 : x - Step 2: Convert to fraction form
223,482.08/308,405.40 = 122,880.08/x - Step 3: Cross multiply
223,482.08x = 308,405.40 × 122,880.08 - Step 4: Simplify right side
223,482.08x = 37,896,880,224.43 - Step 5: Solve for x
x = 37,896,880,224.43/223,482.08 - Step 6: Final answer
x = 169,574.58
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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.