Finding the Fourth Proportional to 277,703.12, 416,554.56 and 67,341.02
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Solution
The fourth proportional to 277,703.12, 416,554.56 and 67,341.02 is: 101,011.50
Step by Step Solution
- Step 1: Write the proportion equation
277,703.12 : 416,554.56 = 67,341.02 : x - Step 2: Convert to fraction form
277,703.12/416,554.56 = 67,341.02/x - Step 3: Cross multiply
277,703.12x = 416,554.56 × 67,341.02 - Step 4: Simplify right side
277,703.12x = 28,051,208,956.05 - Step 5: Solve for x
x = 28,051,208,956.05/277,703.12 - Step 6: Final answer
x = 101,011.50
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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.