Finding the Fourth Proportional to 307,665.84, 461,476.88 and 83,039.07
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Solution
The fourth proportional to 307,665.84, 461,476.88 and 83,039.07 is: 124,552.70
Step by Step Solution
- Step 1: Write the proportion equation
307,665.84 : 461,476.88 = 83,039.07 : x - Step 2: Convert to fraction form
307,665.84/461,476.88 = 83,039.07/x - Step 3: Cross multiply
307,665.84x = 461,476.88 × 83,039.07 - Step 4: Simplify right side
307,665.84x = 38,320,610,941.70 - Step 5: Solve for x
x = 38,320,610,941.70/307,665.84 - Step 6: Final answer
x = 124,552.70
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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.