Finding the Fourth Proportional to 381,395.02, 571,870.99 and 144,608.53
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Solution
The fourth proportional to 381,395.02, 571,870.99 and 144,608.53 is: 216,828.80
Step by Step Solution
- Step 1: Write the proportion equation
381,395.02 : 571,870.99 = 144,608.53 : x - Step 2: Convert to fraction form
381,395.02/571,870.99 = 144,608.53/x - Step 3: Cross multiply
381,395.02x = 571,870.99 × 144,608.53 - Step 4: Simplify right side
381,395.02x = 82,697,423,213.54 - Step 5: Solve for x
x = 82,697,423,213.54/381,395.02 - Step 6: Final answer
x = 216,828.80
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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.