Finding the Fourth Proportional to 523,611.40, 785,424.99 and 199,417.44
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Solution
The fourth proportional to 523,611.40, 785,424.99 and 199,417.44 is: 299,129.17
Step by Step Solution
- Step 1: Write the proportion equation
523,611.40 : 785,424.99 = 199,417.44 : x - Step 2: Convert to fraction form
523,611.40/785,424.99 = 199,417.44/x - Step 3: Cross multiply
523,611.40x = 785,424.99 × 199,417.44 - Step 4: Simplify right side
523,611.40x = 156,627,440,817.83 - Step 5: Solve for x
x = 156,627,440,817.83/523,611.40 - Step 6: Final answer
x = 299,129.17
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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.