Finding the Fourth Proportional to 246,387.30, 340,013.75 and 133,210.05
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Solution
The fourth proportional to 246,387.30, 340,013.75 and 133,210.05 is: 183,829.47
Step by Step Solution
- Step 1: Write the proportion equation
246,387.30 : 340,013.75 = 133,210.05 : x - Step 2: Convert to fraction form
246,387.30/340,013.75 = 133,210.05/x - Step 3: Cross multiply
246,387.30x = 340,013.75 × 133,210.05 - Step 4: Simplify right side
246,387.30x = 45,293,247,972.14 - Step 5: Solve for x
x = 45,293,247,972.14/246,387.30 - Step 6: Final answer
x = 183,829.47
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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.