Finding the Fourth Proportional to 376,503.81, 519,574.19 and 225,600.81
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Solution
The fourth proportional to 376,503.81, 519,574.19 and 225,600.81 is: 311,328.48
Step by Step Solution
- Step 1: Write the proportion equation
376,503.81 : 519,574.19 = 225,600.81 : x - Step 2: Convert to fraction form
376,503.81/519,574.19 = 225,600.81/x - Step 3: Cross multiply
376,503.81x = 519,574.19 × 225,600.81 - Step 4: Simplify right side
376,503.81x = 117,216,357,555.09 - Step 5: Solve for x
x = 117,216,357,555.09/376,503.81 - Step 6: Final answer
x = 311,328.48
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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.