Finding the Fourth Proportional to 559,625.80, 839,438.70 and 204,521.80
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Solution
The fourth proportional to 559,625.80, 839,438.70 and 204,521.80 is: 306,782.70
Step by Step Solution
- Step 1: Write the proportion equation
559,625.80 : 839,438.70 = 204,521.80 : x - Step 2: Convert to fraction form
559,625.80/839,438.70 = 204,521.80/x - Step 3: Cross multiply
559,625.80x = 839,438.70 × 204,521.80 - Step 4: Simplify right side
559,625.80x = 171,683,513,913.66 - Step 5: Solve for x
x = 171,683,513,913.66/559,625.80 - Step 6: Final answer
x = 306,782.70
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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.