Finding the Fourth Proportional to 417,260.12, 624,916.80 and 304,661.06
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Solution
The fourth proportional to 417,260.12, 624,916.80 and 304,661.06 is: 456,280.88
Step by Step Solution
- Step 1: Write the proportion equation
417,260.12 : 624,916.80 = 304,661.06 : x - Step 2: Convert to fraction form
417,260.12/624,916.80 = 304,661.06/x - Step 3: Cross multiply
417,260.12x = 624,916.80 × 304,661.06 - Step 4: Simplify right side
417,260.12x = 190,387,813,940.59 - Step 5: Solve for x
x = 190,387,813,940.59/417,260.12 - Step 6: Final answer
x = 456,280.88
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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.