Finding the Fourth Proportional to 407,395.60, 611,126.06 and 154,797.08
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Solution
The fourth proportional to 407,395.60, 611,126.06 and 154,797.08 is: 232,208.03
Step by Step Solution
- Step 1: Write the proportion equation
407,395.60 : 611,126.06 = 154,797.08 : x - Step 2: Convert to fraction form
407,395.60/611,126.06 = 154,797.08/x - Step 3: Cross multiply
407,395.60x = 611,126.06 × 154,797.08 - Step 4: Simplify right side
407,395.60x = 94,600,529,599.90 - Step 5: Solve for x
x = 94,600,529,599.90/407,395.60 - Step 6: Final answer
x = 232,208.03
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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.