Finding the Fourth Proportional to 106,575.80, 149,482.60 and 106,575.80
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Solution
The fourth proportional to 106,575.80, 149,482.60 and 106,575.80 is: 149,482.60
Step by Step Solution
- Step 1: Write the proportion equation
106,575.80 : 149,482.60 = 106,575.80 : x - Step 2: Convert to fraction form
106,575.80/149,482.60 = 106,575.80/x - Step 3: Cross multiply
106,575.80x = 149,482.60 × 106,575.80 - Step 4: Simplify right side
106,575.80x = 15,931,227,681.08 - Step 5: Solve for x
x = 15,931,227,681.08/106,575.80 - Step 6: Final answer
x = 149,482.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.