Finding the Fourth Proportional to 194,813.40, 292,220.10 and 163,812.68
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Solution
The fourth proportional to 194,813.40, 292,220.10 and 163,812.68 is: 245,719.02
Step by Step Solution
- Step 1: Write the proportion equation
194,813.40 : 292,220.10 = 163,812.68 : x - Step 2: Convert to fraction form
194,813.40/292,220.10 = 163,812.68/x - Step 3: Cross multiply
194,813.40x = 292,220.10 × 163,812.68 - Step 4: Simplify right side
194,813.40x = 47,869,357,730.87 - Step 5: Solve for x
x = 47,869,357,730.87/194,813.40 - Step 6: Final answer
x = 245,719.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.