Finding the Fourth Proportional to 178,458.19, 246,282.02 and 103,030.99
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Solution
The fourth proportional to 178,458.19, 246,282.02 and 103,030.99 is: 142,188.37
Step by Step Solution
- Step 1: Write the proportion equation
178,458.19 : 246,282.02 = 103,030.99 : x - Step 2: Convert to fraction form
178,458.19/246,282.02 = 103,030.99/x - Step 3: Cross multiply
178,458.19x = 246,282.02 × 103,030.99 - Step 4: Simplify right side
178,458.19x = 25,374,679,595.31 - Step 5: Solve for x
x = 25,374,679,595.31/178,458.19 - Step 6: Final answer
x = 142,188.37
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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.