Finding the Fourth Proportional to 291,937.49, 402,876.64 and 162,874.88
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Solution
The fourth proportional to 291,937.49, 402,876.64 and 162,874.88 is: 224,768.95
Step by Step Solution
- Step 1: Write the proportion equation
291,937.49 : 402,876.64 = 162,874.88 : x - Step 2: Convert to fraction form
291,937.49/402,876.64 = 162,874.88/x - Step 3: Cross multiply
291,937.49x = 402,876.64 × 162,874.88 - Step 4: Simplify right side
291,937.49x = 65,618,484,394.80 - Step 5: Solve for x
x = 65,618,484,394.80/291,937.49 - Step 6: Final answer
x = 224,768.95
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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.