Finding the Fourth Proportional to 219,852.18, 303,363.54 and 124,356.78
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Solution
The fourth proportional to 219,852.18, 303,363.54 and 124,356.78 is: 171,593.99
Step by Step Solution
- Step 1: Write the proportion equation
219,852.18 : 303,363.54 = 124,356.78 : x - Step 2: Convert to fraction form
219,852.18/303,363.54 = 124,356.78/x - Step 3: Cross multiply
219,852.18x = 303,363.54 × 124,356.78 - Step 4: Simplify right side
219,852.18x = 37,725,313,003.80 - Step 5: Solve for x
x = 37,725,313,003.80/219,852.18 - Step 6: Final answer
x = 171,593.99
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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.