Finding the Fourth Proportional to 245,437.49, 368,160.80 and 76,954.05
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Solution
The fourth proportional to 245,437.49, 368,160.80 and 76,954.05 is: 115,432.50
Step by Step Solution
- Step 1: Write the proportion equation
245,437.49 : 368,160.80 = 76,954.05 : x - Step 2: Convert to fraction form
245,437.49/368,160.80 = 76,954.05/x - Step 3: Cross multiply
245,437.49x = 368,160.80 × 76,954.05 - Step 4: Simplify right side
245,437.49x = 28,331,464,226.47 - Step 5: Solve for x
x = 28,331,464,226.47/245,437.49 - Step 6: Final answer
x = 115,432.50
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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.