Finding the Fourth Proportional to 176,274.74, 243,274.20 and 99,807.31
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Solution
The fourth proportional to 176,274.74, 243,274.20 and 99,807.31 is: 137,742.61
Step by Step Solution
- Step 1: Write the proportion equation
176,274.74 : 243,274.20 = 99,807.31 : x - Step 2: Convert to fraction form
176,274.74/243,274.20 = 99,807.31/x - Step 3: Cross multiply
176,274.74x = 243,274.20 × 99,807.31 - Step 4: Simplify right side
176,274.74x = 24,280,543,494.40 - Step 5: Solve for x
x = 24,280,543,494.40/176,274.74 - Step 6: Final answer
x = 137,742.61
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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.