Finding the Fourth Proportional to 375,056.19, 517,579.20 and 202,974.18
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Solution
The fourth proportional to 375,056.19, 517,579.20 and 202,974.18 is: 280,105.27
Step by Step Solution
- Step 1: Write the proportion equation
375,056.19 : 517,579.20 = 202,974.18 : x - Step 2: Convert to fraction form
375,056.19/517,579.20 = 202,974.18/x - Step 3: Cross multiply
375,056.19x = 517,579.20 × 202,974.18 - Step 4: Simplify right side
375,056.19x = 105,055,213,705.06 - Step 5: Solve for x
x = 105,055,213,705.06/375,056.19 - Step 6: Final answer
x = 280,105.27
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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.