Finding the Fourth Proportional to 155,482.56, 232,895.79 and 153,711.09
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Solution
The fourth proportional to 155,482.56, 232,895.79 and 153,711.09 is: 230,242.32
Step by Step Solution
- Step 1: Write the proportion equation
155,482.56 : 232,895.79 = 153,711.09 : x - Step 2: Convert to fraction form
155,482.56/232,895.79 = 153,711.09/x - Step 3: Cross multiply
155,482.56x = 232,895.79 × 153,711.09 - Step 4: Simplify right side
155,482.56x = 35,798,665,737.31 - Step 5: Solve for x
x = 35,798,665,737.31/155,482.56 - Step 6: Final answer
x = 230,242.32
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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.