Finding the Fourth Proportional to 369,056.21, 509,299.13 and 207,913.19
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Solution
The fourth proportional to 369,056.21, 509,299.13 and 207,913.19 is: 286,921.08
Step by Step Solution
- Step 1: Write the proportion equation
369,056.21 : 509,299.13 = 207,913.19 : x - Step 2: Convert to fraction form
369,056.21/509,299.13 = 207,913.19/x - Step 3: Cross multiply
369,056.21x = 509,299.13 × 207,913.19 - Step 4: Simplify right side
369,056.21x = 105,890,005,742.96 - Step 5: Solve for x
x = 105,890,005,742.96/369,056.21 - Step 6: Final answer
x = 286,921.08
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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.