Finding the Fourth Proportional to 372,792.84, 559,053.18 and 136,065.48
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Solution
The fourth proportional to 372,792.84, 559,053.18 and 136,065.48 is: 204,048.55
Step by Step Solution
- Step 1: Write the proportion equation
372,792.84 : 559,053.18 = 136,065.48 : x - Step 2: Convert to fraction form
372,792.84/559,053.18 = 136,065.48/x - Step 3: Cross multiply
372,792.84x = 559,053.18 × 136,065.48 - Step 4: Simplify right side
372,792.84x = 76,067,839,282.23 - Step 5: Solve for x
x = 76,067,839,282.23/372,792.84 - Step 6: Final answer
x = 204,048.55
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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.