Finding the Fourth Proportional to 611,737.31, 917,800.98 and 256,655.99
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Solution
The fourth proportional to 611,737.31, 917,800.98 and 256,655.99 is: 385,065.80
Step by Step Solution
- Step 1: Write the proportion equation
611,737.31 : 917,800.98 = 256,655.99 : x - Step 2: Convert to fraction form
611,737.31/917,800.98 = 256,655.99/x - Step 3: Cross multiply
611,737.31x = 917,800.98 × 256,655.99 - Step 4: Simplify right side
611,737.31x = 235,559,120,476.91 - Step 5: Solve for x
x = 235,559,120,476.91/611,737.31 - Step 6: Final answer
x = 385,065.80
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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.