Finding the Fourth Proportional to 487,990.24, 731,484.24 and 277,178.08
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Solution
The fourth proportional to 487,990.24, 731,484.24 and 277,178.08 is: 415,482.48
Step by Step Solution
- Step 1: Write the proportion equation
487,990.24 : 731,484.24 = 277,178.08 : x - Step 2: Convert to fraction form
487,990.24/731,484.24 = 277,178.08/x - Step 3: Cross multiply
487,990.24x = 731,484.24 × 277,178.08 - Step 4: Simplify right side
487,990.24x = 202,751,397,193.46 - Step 5: Solve for x
x = 202,751,397,193.46/487,990.24 - Step 6: Final answer
x = 415,482.48
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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.