Finding the Fourth Proportional to 294,815.70, 442,223.55 and 201,503.70
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Solution
The fourth proportional to 294,815.70, 442,223.55 and 201,503.70 is: 302,255.55
Step by Step Solution
- Step 1: Write the proportion equation
294,815.70 : 442,223.55 = 201,503.70 : x - Step 2: Convert to fraction form
294,815.70/442,223.55 = 201,503.70/x - Step 3: Cross multiply
294,815.70x = 442,223.55 × 201,503.70 - Step 4: Simplify right side
294,815.70x = 89,109,681,552.14 - Step 5: Solve for x
x = 89,109,681,552.14/294,815.70 - Step 6: Final answer
x = 302,255.55
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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.