Finding the Fourth Proportional to 147,961.68, 221,963.58 and 48,089.76
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Solution
The fourth proportional to 147,961.68, 221,963.58 and 48,089.76 is: 72,141.48
Step by Step Solution
- Step 1: Write the proportion equation
147,961.68 : 221,963.58 = 48,089.76 : x - Step 2: Convert to fraction form
147,961.68/221,963.58 = 48,089.76/x - Step 3: Cross multiply
147,961.68x = 221,963.58 × 48,089.76 - Step 4: Simplify right side
147,961.68x = 10,674,175,290.94 - Step 5: Solve for x
x = 10,674,175,290.94/147,961.68 - Step 6: Final answer
x = 72,141.48
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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.