Finding the Fourth Proportional to 273,807, 377,853.66 and 154,575
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Solution
The fourth proportional to 273,807, 377,853.66 and 154,575 is: 213,313.50
Step by Step Solution
- Step 1: Write the proportion equation
273,807 : 377,853.66 = 154,575 : x - Step 2: Convert to fraction form
273,807/377,853.66 = 154,575/x - Step 3: Cross multiply
273,807x = 377,853.66 × 154,575 - Step 4: Simplify right side
273,807x = 58,406,729,494.50 - Step 5: Solve for x
x = 58,406,729,494.50/273,807 - Step 6: Final answer
x = 213,313.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.