Finding the Fourth Proportional to 102,054.13, 153,084.08 and 28,182.13
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Solution
The fourth proportional to 102,054.13, 153,084.08 and 28,182.13 is: 42,273.99
Step by Step Solution
- Step 1: Write the proportion equation
102,054.13 : 153,084.08 = 28,182.13 : x - Step 2: Convert to fraction form
102,054.13/153,084.08 = 28,182.13/x - Step 3: Cross multiply
102,054.13x = 153,084.08 × 28,182.13 - Step 4: Simplify right side
102,054.13x = 4,314,235,302.58 - Step 5: Solve for x
x = 4,314,235,302.58/102,054.13 - Step 6: Final answer
x = 42,273.99
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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.