Finding the Fourth Proportional to 98,177.31, 147,266.06 and 28,056.65
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Solution
The fourth proportional to 98,177.31, 147,266.06 and 28,056.65 is: 42,084.99
Step by Step Solution
- Step 1: Write the proportion equation
98,177.31 : 147,266.06 = 28,056.65 : x - Step 2: Convert to fraction form
98,177.31/147,266.06 = 28,056.65/x - Step 3: Cross multiply
98,177.31x = 147,266.06 × 28,056.65 - Step 4: Simplify right side
98,177.31x = 4,131,791,425.69 - Step 5: Solve for x
x = 4,131,791,425.69/98,177.31 - Step 6: Final answer
x = 42,084.99
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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.