Finding the Fourth Proportional to 236,435.80, 354,135.30 and 205,331.80
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Solution
The fourth proportional to 236,435.80, 354,135.30 and 205,331.80 is: 307,547.50
Step by Step Solution
- Step 1: Write the proportion equation
236,435.80 : 354,135.30 = 205,331.80 : x - Step 2: Convert to fraction form
236,435.80/354,135.30 = 205,331.80/x - Step 3: Cross multiply
236,435.80x = 354,135.30 × 205,331.80 - Step 4: Simplify right side
236,435.80x = 72,715,238,592.54 - Step 5: Solve for x
x = 72,715,238,592.54/236,435.80 - Step 6: Final answer
x = 307,547.50
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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.