Finding the Fourth Proportional to 377,402.44, 520,807.98 and 207,639.40
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Solution
The fourth proportional to 377,402.44, 520,807.98 and 207,639.40 is: 286,538.31
Step by Step Solution
- Step 1: Write the proportion equation
377,402.44 : 520,807.98 = 207,639.40 : x - Step 2: Convert to fraction form
377,402.44/520,807.98 = 207,639.40/x - Step 3: Cross multiply
377,402.44x = 520,807.98 × 207,639.40 - Step 4: Simplify right side
377,402.44x = 108,140,256,482.41 - Step 5: Solve for x
x = 108,140,256,482.41/377,402.44 - Step 6: Final answer
x = 286,538.31
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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.