Finding the Fourth Proportional to 149,350.84, 223,962.47 and 69,339.44
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Solution
The fourth proportional to 149,350.84, 223,962.47 and 69,339.44 is: 103,979.55
Step by Step Solution
- Step 1: Write the proportion equation
149,350.84 : 223,962.47 = 69,339.44 : x - Step 2: Convert to fraction form
149,350.84/223,962.47 = 69,339.44/x - Step 3: Cross multiply
149,350.84x = 223,962.47 × 69,339.44 - Step 4: Simplify right side
149,350.84x = 15,529,432,724.05 - Step 5: Solve for x
x = 15,529,432,724.05/149,350.84 - Step 6: Final answer
x = 103,979.55
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1.5x scale
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.