Finding the Fourth Proportional to 407,394.60, 611,124.56 and 154,796.08
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Solution
The fourth proportional to 407,394.60, 611,124.56 and 154,796.08 is: 232,206.53
Step by Step Solution
- Step 1: Write the proportion equation
407,394.60 : 611,124.56 = 154,796.08 : x - Step 2: Convert to fraction form
407,394.60/611,124.56 = 154,796.08/x - Step 3: Cross multiply
407,394.60x = 611,124.56 × 154,796.08 - Step 4: Simplify right side
407,394.60x = 94,599,686,279.72 - Step 5: Solve for x
x = 94,599,686,279.72/407,394.60 - Step 6: Final answer
x = 232,206.53
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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.