Finding the Fourth Proportional to 277,407.08, 415,742.74 and 142,465.70
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Solution
The fourth proportional to 277,407.08, 415,742.74 and 142,465.70 is: 213,509.62
Step by Step Solution
- Step 1: Write the proportion equation
277,407.08 : 415,742.74 = 142,465.70 : x - Step 2: Convert to fraction form
277,407.08/415,742.74 = 142,465.70/x - Step 3: Cross multiply
277,407.08x = 415,742.74 × 142,465.70 - Step 4: Simplify right side
277,407.08x = 59,229,080,474.02 - Step 5: Solve for x
x = 59,229,080,474.02/277,407.08 - Step 6: Final answer
x = 213,509.62
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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.