Finding the Fourth Proportional to 219,783.16, 303,307.37 and 124,287.94
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Solution
The fourth proportional to 219,783.16, 303,307.37 and 124,287.94 is: 171,521.09
Step by Step Solution
- Step 1: Write the proportion equation
219,783.16 : 303,307.37 = 124,287.94 : x - Step 2: Convert to fraction form
219,783.16/303,307.37 = 124,287.94/x - Step 3: Cross multiply
219,783.16x = 303,307.37 × 124,287.94 - Step 4: Simplify right side
219,783.16x = 37,697,448,204.12 - Step 5: Solve for x
x = 37,697,448,204.12/219,783.16 - Step 6: Final answer
x = 171,521.09
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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.