Finding the Fourth Proportional to 245,374.08, 338,628.24 and 137,977.80
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Solution
The fourth proportional to 245,374.08, 338,628.24 and 137,977.80 is: 190,416.12
Step by Step Solution
- Step 1: Write the proportion equation
245,374.08 : 338,628.24 = 137,977.80 : x - Step 2: Convert to fraction form
245,374.08/338,628.24 = 137,977.80/x - Step 3: Cross multiply
245,374.08x = 338,628.24 × 137,977.80 - Step 4: Simplify right side
245,374.08x = 46,723,179,573.07 - Step 5: Solve for x
x = 46,723,179,573.07/245,374.08 - Step 6: Final answer
x = 190,416.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.