Finding the Fourth Proportional to 309,594.18, 427,066.98 and 194,829.99
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Solution
The fourth proportional to 309,594.18, 427,066.98 and 194,829.99 is: 268,756.52
Step by Step Solution
- Step 1: Write the proportion equation
309,594.18 : 427,066.98 = 194,829.99 : x - Step 2: Convert to fraction form
309,594.18/427,066.98 = 194,829.99/x - Step 3: Cross multiply
309,594.18x = 427,066.98 × 194,829.99 - Step 4: Simplify right side
309,594.18x = 83,205,456,608.79 - Step 5: Solve for x
x = 83,205,456,608.79/309,594.18 - Step 6: Final answer
x = 268,756.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.