Finding the Fourth Proportional to 274,730.76, 411,561.48 and 202,552.20
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Solution
The fourth proportional to 274,730.76, 411,561.48 and 202,552.20 is: 303,434.11
Step by Step Solution
- Step 1: Write the proportion equation
274,730.76 : 411,561.48 = 202,552.20 : x - Step 2: Convert to fraction form
274,730.76/411,561.48 = 202,552.20/x - Step 3: Cross multiply
274,730.76x = 411,561.48 × 202,552.20 - Step 4: Simplify right side
274,730.76x = 83,362,683,209.26 - Step 5: Solve for x
x = 83,362,683,209.26/274,730.76 - Step 6: Final answer
x = 303,434.11
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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.